diff --git a/14/example b/14/example
new file mode 100644
index 0000000..72a324a
--- /dev/null
+++ b/14/example
@@ -0,0 +1,12 @@
+p=0,4 v=3,-3
+p=6,3 v=-1,-3
+p=10,3 v=-1,2
+p=2,0 v=2,-1
+p=0,0 v=1,3
+p=3,0 v=-2,-2
+p=7,6 v=-1,-3
+p=3,0 v=-1,-2
+p=9,3 v=2,3
+p=7,3 v=-1,2
+p=2,4 v=2,-3
+p=9,5 v=-3,-3
\ No newline at end of file
diff --git a/14/input b/14/input
new file mode 100644
index 0000000..40ad604
--- /dev/null
+++ b/14/input
@@ -0,0 +1,500 @@
+p=73,39 v=-17,38
+p=30,80 v=27,22
+p=36,10 v=-86,-24
+p=56,22 v=6,-46
+p=75,64 v=98,-83
+p=78,34 v=33,-38
+p=83,88 v=-83,55
+p=4,0 v=-48,44
+p=45,75 v=42,2
+p=27,47 v=75,90
+p=75,100 v=-90,-61
+p=45,29 v=-36,-76
+p=73,64 v=48,-7
+p=40,7 v=-87,-62
+p=43,35 v=-57,11
+p=74,77 v=77,70
+p=11,42 v=9,4
+p=98,28 v=75,34
+p=34,42 v=66,-55
+p=15,97 v=2,6
+p=26,43 v=57,-72
+p=84,24 v=-34,36
+p=56,79 v=64,67
+p=59,30 v=61,-81
+p=94,19 v=68,-20
+p=55,9 v=-37,83
+p=11,69 v=18,75
+p=3,45 v=24,76
+p=48,88 v=20,-75
+p=10,88 v=-13,59
+p=77,66 v=47,36
+p=28,46 v=73,88
+p=2,6 v=-96,18
+p=98,80 v=89,-75
+p=1,71 v=-77,62
+p=68,99 v=89,-42
+p=84,35 v=-10,-8
+p=26,102 v=-94,-93
+p=44,72 v=-84,-51
+p=11,39 v=-56,65
+p=78,5 v=-38,-63
+p=99,101 v=59,-21
+p=87,90 v=-77,27
+p=58,38 v=-29,75
+p=45,69 v=86,-3
+p=74,4 v=44,55
+p=23,92 v=-71,44
+p=97,70 v=-41,-83
+p=55,89 v=-9,70
+p=55,99 v=-14,58
+p=82,72 v=-75,-60
+p=10,90 v=58,-38
+p=29,49 v=76,-24
+p=25,83 v=-88,40
+p=19,3 v=1,52
+p=5,40 v=-84,19
+p=40,28 v=70,27
+p=85,0 v=69,-58
+p=72,65 v=39,24
+p=52,92 v=-73,90
+p=75,6 v=41,94
+p=93,79 v=75,51
+p=15,35 v=-85,46
+p=2,8 v=-49,-32
+p=57,20 v=-87,-47
+p=67,32 v=78,50
+p=15,53 v=-55,92
+p=12,64 v=59,-48
+p=7,50 v=60,-99
+p=27,13 v=-92,-44
+p=25,27 v=72,41
+p=29,31 v=-50,-50
+p=64,39 v=49,-46
+p=8,95 v=-99,33
+p=0,49 v=-3,35
+p=19,99 v=89,14
+p=35,68 v=-14,66
+p=36,55 v=94,81
+p=40,32 v=22,45
+p=100,64 v=68,-47
+p=38,30 v=87,89
+p=69,8 v=-30,72
+p=54,71 v=-37,62
+p=37,68 v=-65,85
+p=81,56 v=62,54
+p=41,1 v=42,10
+p=7,94 v=31,59
+p=7,17 v=18,16
+p=41,42 v=-29,38
+p=17,25 v=-63,60
+p=72,22 v=87,5
+p=6,42 v=-70,42
+p=100,87 v=-98,-59
+p=35,88 v=15,-86
+p=50,68 v=-1,-79
+p=30,29 v=-86,30
+p=40,90 v=-29,-78
+p=51,80 v=-88,-52
+p=10,15 v=-45,-25
+p=50,88 v=29,-75
+p=4,16 v=17,-31
+p=73,34 v=62,-46
+p=81,90 v=-2,9
+p=25,101 v=87,29
+p=68,9 v=-2,-5
+p=80,61 v=98,-4
+p=35,17 v=-78,78
+p=4,41 v=89,-61
+p=76,22 v=-81,60
+p=54,9 v=57,75
+p=69,18 v=41,-1
+p=77,46 v=25,38
+p=69,58 v=67,7
+p=4,97 v=90,-1
+p=90,65 v=-12,66
+p=63,82 v=96,-95
+p=15,84 v=-55,-29
+p=81,13 v=33,7
+p=82,33 v=91,53
+p=3,51 v=-69,-15
+p=68,102 v=12,3
+p=2,52 v=-52,79
+p=79,56 v=-74,-76
+p=69,29 v=-73,9
+p=34,35 v=72,73
+p=93,83 v=97,-42
+p=95,63 v=17,77
+p=80,101 v=32,44
+p=51,57 v=-22,3
+p=95,79 v=-40,-25
+p=65,101 v=-2,-40
+p=91,74 v=-46,-63
+p=69,74 v=56,63
+p=12,86 v=31,55
+p=13,32 v=-57,8
+p=21,29 v=30,38
+p=67,28 v=-32,-96
+p=41,86 v=-15,-48
+p=7,82 v=-40,-90
+p=64,60 v=63,5
+p=29,48 v=-43,1
+p=1,28 v=46,-46
+p=48,63 v=-51,-26
+p=67,54 v=40,-75
+p=91,63 v=-32,13
+p=51,94 v=43,-29
+p=28,12 v=-71,34
+p=98,99 v=17,-59
+p=53,0 v=90,-80
+p=86,76 v=47,39
+p=59,69 v=56,-60
+p=80,55 v=50,50
+p=89,23 v=25,91
+p=79,97 v=-10,-74
+p=13,69 v=-92,89
+p=22,102 v=-36,83
+p=7,82 v=-67,93
+p=85,85 v=69,-2
+p=37,40 v=-58,-31
+p=70,31 v=42,-45
+p=57,95 v=12,33
+p=21,93 v=-64,-40
+p=47,29 v=14,57
+p=5,101 v=-42,-56
+p=78,53 v=-39,73
+p=92,34 v=5,-16
+p=77,98 v=17,57
+p=69,11 v=-72,-14
+p=65,41 v=99,-15
+p=66,90 v=-9,9
+p=76,62 v=98,-22
+p=22,35 v=-78,84
+p=72,95 v=-38,-17
+p=59,35 v=12,-30
+p=52,94 v=-59,67
+p=52,100 v=77,-25
+p=16,62 v=-50,-91
+p=57,23 v=-59,-77
+p=90,38 v=-33,-46
+p=55,39 v=85,-99
+p=13,84 v=-92,-59
+p=62,48 v=42,2
+p=4,13 v=62,86
+p=74,0 v=-24,-55
+p=22,87 v=95,48
+p=20,73 v=-32,-34
+p=19,81 v=-6,-33
+p=42,82 v=65,32
+p=52,45 v=-80,-27
+p=3,35 v=18,30
+p=70,77 v=41,-18
+p=9,48 v=-39,-30
+p=39,7 v=43,-28
+p=98,102 v=-47,29
+p=37,39 v=-8,-66
+p=75,47 v=-17,-41
+p=70,102 v=-15,-84
+p=24,39 v=-64,-15
+p=70,91 v=76,56
+p=25,98 v=65,41
+p=88,60 v=-4,88
+p=82,79 v=-97,18
+p=7,11 v=-78,90
+p=41,35 v=65,38
+p=92,23 v=65,-65
+p=82,40 v=26,-31
+p=42,27 v=26,-40
+p=92,102 v=32,67
+p=64,88 v=-74,-17
+p=30,41 v=81,-15
+p=26,8 v=73,-70
+p=44,10 v=-51,-50
+p=15,10 v=15,-58
+p=34,102 v=72,-32
+p=40,73 v=-43,-52
+p=47,63 v=87,-22
+p=90,43 v=-83,-76
+p=24,93 v=-58,90
+p=37,15 v=-15,52
+p=71,45 v=-59,42
+p=6,14 v=-92,10
+p=34,20 v=-14,7
+p=22,4 v=-93,-51
+p=60,91 v=-23,-13
+p=35,54 v=-42,69
+p=34,9 v=51,79
+p=29,65 v=58,16
+p=96,5 v=-67,31
+p=22,19 v=-6,7
+p=63,62 v=27,41
+p=94,0 v=32,71
+p=31,24 v=-64,-73
+p=51,39 v=94,82
+p=37,44 v=-79,-34
+p=77,33 v=37,-8
+p=67,78 v=34,-78
+p=25,57 v=23,-17
+p=23,57 v=-70,-91
+p=12,28 v=-93,-61
+p=37,44 v=58,-57
+p=27,81 v=28,63
+p=68,50 v=-44,42
+p=89,10 v=11,22
+p=40,51 v=-38,55
+p=91,64 v=55,5
+p=11,94 v=96,79
+p=3,90 v=3,78
+p=51,58 v=-51,77
+p=87,42 v=60,-91
+p=35,87 v=73,91
+p=38,27 v=-66,57
+p=71,71 v=84,-10
+p=39,65 v=79,-64
+p=22,37 v=69,-72
+p=65,21 v=53,-31
+p=35,3 v=27,-42
+p=80,33 v=67,17
+p=8,87 v=-20,-9
+p=59,63 v=73,50
+p=58,34 v=48,-88
+p=93,102 v=11,29
+p=53,81 v=-1,59
+p=4,20 v=-47,62
+p=23,29 v=-20,-81
+p=61,89 v=78,59
+p=34,72 v=85,19
+p=52,41 v=-36,31
+p=50,48 v=57,-4
+p=95,64 v=97,58
+p=17,36 v=-78,-80
+p=60,85 v=50,-44
+p=31,22 v=46,-15
+p=78,78 v=-22,-56
+p=80,44 v=14,-2
+p=57,45 v=-52,73
+p=81,42 v=-41,-36
+p=67,102 v=9,20
+p=0,20 v=-26,30
+p=80,64 v=4,55
+p=93,67 v=-20,83
+p=48,57 v=-94,68
+p=28,14 v=-57,-93
+p=2,22 v=-12,-61
+p=78,62 v=-68,-54
+p=0,22 v=68,91
+p=14,22 v=-49,91
+p=85,48 v=-90,-15
+p=89,6 v=-11,79
+p=81,89 v=98,82
+p=1,14 v=89,87
+p=11,48 v=12,-11
+p=57,21 v=-63,73
+p=42,5 v=-77,-46
+p=40,6 v=6,7
+p=83,56 v=-68,-75
+p=17,5 v=88,-9
+p=38,16 v=-29,-81
+p=85,45 v=-68,-91
+p=75,0 v=-24,-9
+p=77,98 v=-82,86
+p=57,25 v=95,-65
+p=72,13 v=-4,-31
+p=51,7 v=-52,52
+p=62,39 v=-10,88
+p=23,54 v=99,-57
+p=43,29 v=86,-88
+p=86,39 v=69,23
+p=64,91 v=-32,-21
+p=61,36 v=78,-69
+p=71,8 v=84,36
+p=20,46 v=22,47
+p=54,64 v=85,62
+p=62,27 v=63,-54
+p=81,67 v=42,70
+p=44,26 v=43,68
+p=2,45 v=89,31
+p=0,59 v=-91,-13
+p=35,92 v=72,-78
+p=48,38 v=86,-95
+p=66,15 v=-37,-58
+p=57,94 v=-66,91
+p=100,12 v=45,72
+p=93,5 v=-32,-59
+p=8,24 v=-63,-85
+p=69,6 v=5,75
+p=59,84 v=49,-52
+p=0,66 v=74,-13
+p=69,43 v=71,-23
+p=11,95 v=-9,-60
+p=65,30 v=84,-73
+p=91,65 v=-76,-14
+p=80,44 v=55,50
+p=13,26 v=44,-23
+p=11,93 v=25,57
+p=30,62 v=-9,-3
+p=43,69 v=-57,-52
+p=98,19 v=-90,14
+p=44,83 v=-30,24
+p=7,36 v=-71,15
+p=50,67 v=-37,-71
+p=54,92 v=-68,37
+p=58,47 v=78,46
+p=95,10 v=48,-67
+p=36,79 v=94,40
+p=37,35 v=58,-57
+p=16,40 v=-93,-25
+p=82,22 v=-67,-54
+p=66,15 v=41,41
+p=29,37 v=44,49
+p=82,10 v=79,63
+p=37,95 v=43,-36
+p=13,14 v=-5,-66
+p=60,93 v=85,29
+p=46,83 v=21,-67
+p=75,74 v=-68,93
+p=88,53 v=43,-8
+p=47,67 v=-22,-83
+p=8,93 v=31,2
+p=88,38 v=-29,51
+p=65,6 v=53,74
+p=20,28 v=94,-54
+p=63,64 v=-14,77
+p=56,93 v=-64,-63
+p=25,0 v=-99,-62
+p=40,90 v=37,-59
+p=72,29 v=-60,-88
+p=42,6 v=65,-43
+p=51,37 v=-66,-46
+p=32,1 v=-14,-28
+p=10,42 v=23,58
+p=7,31 v=89,34
+p=71,102 v=-89,37
+p=49,10 v=58,-31
+p=1,83 v=-85,25
+p=59,80 v=-8,-75
+p=50,13 v=27,-82
+p=28,79 v=8,28
+p=4,7 v=38,56
+p=76,99 v=26,-51
+p=4,76 v=77,-27
+p=18,9 v=44,-4
+p=7,29 v=60,-26
+p=96,7 v=33,41
+p=27,79 v=15,-25
+p=92,36 v=-19,47
+p=45,102 v=-22,-93
+p=31,32 v=-72,-27
+p=8,73 v=-73,8
+p=29,39 v=-6,-64
+p=68,46 v=-97,8
+p=31,99 v=46,-80
+p=90,50 v=19,61
+p=79,100 v=98,52
+p=63,57 v=34,-3
+p=39,83 v=-30,-29
+p=2,4 v=32,10
+p=49,95 v=-26,15
+p=60,65 v=-74,43
+p=74,73 v=-89,-79
+p=42,66 v=-85,10
+p=94,0 v=-6,5
+p=92,89 v=25,-32
+p=67,26 v=-56,-21
+p=79,53 v=13,47
+p=65,78 v=-3,1
+p=49,74 v=36,-45
+p=76,39 v=-99,23
+p=87,62 v=47,-7
+p=16,82 v=-85,44
+p=38,64 v=49,39
+p=46,22 v=-44,-21
+p=93,55 v=96,-68
+p=12,17 v=-87,-34
+p=90,2 v=-98,29
+p=47,64 v=50,5
+p=82,21 v=48,-81
+p=4,87 v=53,32
+p=23,43 v=8,-42
+p=7,72 v=-61,46
+p=58,53 v=-37,8
+p=89,9 v=33,75
+p=14,30 v=20,8
+p=26,35 v=-3,60
+p=1,44 v=-98,-34
+p=7,61 v=-91,-84
+p=40,96 v=-80,-19
+p=71,28 v=11,-88
+p=61,78 v=55,93
+p=51,36 v=-59,19
+p=19,88 v=-20,-44
+p=42,4 v=-22,98
+p=81,35 v=-69,73
+p=96,95 v=97,52
+p=43,49 v=19,-80
+p=97,70 v=-98,-56
+p=53,38 v=56,15
+p=18,33 v=-11,34
+p=64,63 v=-39,-56
+p=94,83 v=-39,90
+p=4,36 v=60,-57
+p=34,5 v=-86,-47
+p=31,80 v=-77,-52
+p=81,73 v=5,-82
+p=54,56 v=57,73
+p=42,91 v=-20,-27
+p=0,6 v=-48,-93
+p=48,26 v=92,-39
+p=62,86 v=-80,-14
+p=5,24 v=2,43
+p=99,69 v=-91,-83
+p=26,85 v=73,25
+p=54,56 v=-8,-7
+p=2,1 v=60,90
+p=43,26 v=44,-23
+p=2,0 v=-74,24
+p=63,35 v=92,80
+p=95,50 v=39,-45
+p=20,62 v=-35,39
+p=85,92 v=-59,11
+p=39,76 v=1,-21
+p=25,23 v=63,74
+p=92,35 v=24,68
+p=59,51 v=13,92
+p=55,99 v=-23,56
+p=50,59 v=22,37
+p=55,7 v=77,-72
+p=8,52 v=-84,-34
+p=21,73 v=2,21
+p=17,40 v=-63,61
+p=86,76 v=46,-22
+p=18,12 v=-72,-60
+p=3,49 v=-44,-69
+p=89,92 v=-98,-2
+p=47,79 v=-73,-10
+p=53,84 v=57,-6
+p=62,31 v=-96,72
+p=86,47 v=3,57
+p=46,85 v=73,-42
+p=35,84 v=-19,64
+p=12,10 v=14,47
+p=96,87 v=-83,-67
+p=50,71 v=93,93
+p=17,4 v=-6,79
+p=94,51 v=10,69
+p=5,66 v=-12,-41
+p=82,16 v=-90,-73
+p=39,63 v=-36,-68
+p=15,79 v=-6,-33
+p=27,58 v=-78,-72
+p=68,42 v=59,-84
+p=19,30 v=30,-33
+p=0,77 v=89,-22
+p=93,94 v=-3,-24
+p=22,64 v=-13,-25
+p=2,47 v=89,-11
+p=11,49 v=-20,-95
+p=35,42 v=-42,-91
+p=22,93 v=-6,-32
+p=100,75 v=10,-56
+p=41,94 v=-94,-55
diff --git a/14/main.cc b/14/main.cc
new file mode 100644
index 0000000..1be7c69
--- /dev/null
+++ b/14/main.cc
@@ -0,0 +1,181 @@
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <vector>
+#include <tuple>
+#include <set>
+
+using namespace std;
+
+#ifdef DEBUG
+#define DBG(str) do { std::cout << str << std::endl; } while( false )
+#else
+#define DBG(str) do { } while ( false )
+#endif
+
+struct Point {
+  int x;
+  int y;
+};
+
+struct Guard {
+  Point p;
+  Point v;
+};
+
+
+vector<Guard> parseGuards(const char *path) {
+  vector<Guard> guards;
+
+  ifstream input(path);
+  string line;
+
+  while(getline(input, line)) {
+    Guard guard;
+    stringstream ss;
+    char c;
+
+    ss << line;
+
+    ss >> c >> c >> guard.p.x >> c >> guard.p.y >> c >> c >> guard.v.x >> c >> guard.v.y;
+
+    guards.push_back(guard);
+  }
+
+  return guards;
+}
+
+void printGuards(vector<Guard> guards) {
+  for (auto guard : guards) {
+    cout << "p=" << guard.p.x << "," << guard.p.y << " v=" << guard.v.x << "," << guard.v.y << endl; 
+  }
+}
+
+void printField(vector<Guard> guards, int rows, int columns) {
+  for (int y = 0; y < rows; y++) {
+    for (int x = 0; x < columns; x++) {
+      int num = 0;
+      for (auto guard : guards) {
+        if (guard.p.x == x && guard.p.y == y) num++;
+      }
+      if (num) cout << num;
+      else     cout << '.';
+    }
+    cout << endl;
+  }
+  cout << endl;
+}
+
+// Function to perform Modular Addition
+int modAdd(int a, int b, int m)
+{
+  // Adding m to handle negative numbers
+  return ((a % m) + (b % m) + m) % m;
+}
+
+
+void doStep(vector<Guard> &guards, int rows, int columns) {
+  for (auto &guard : guards) {
+    guard.p.x = modAdd(guard.p.x, guard.v.x, columns);
+    guard.p.y = modAdd(guard.p.y, guard.v.y, rows);
+  }
+}
+
+long calculateResult(vector<Guard> guards, int rows, int columns) {
+  long quadrants[4];
+
+  int count = 0;
+  for (int y = 0; y < rows / 2; y++) {
+    for (int x = 0; x < columns / 2; x++) {
+      for (auto guard : guards) {
+        if (guard.p.x == x && guard.p.y == y) count++;
+      }
+    }
+  }
+  quadrants[0] = count;
+
+  count = 0;
+  for (int y = rows / 2 + 1; y < rows; y++) {
+    for (int x = 0; x < columns / 2; x++) {
+      for (auto guard : guards) {
+        if (guard.p.x == x && guard.p.y == y) count++;
+      }
+    }
+  }
+  quadrants[1] = count;
+
+  count = 0;
+  for (int y = 0; y < rows / 2; y++) {
+    for (int x = columns / 2 + 1; x < columns; x++) {
+      for (auto guard : guards) {
+        if (guard.p.x == x && guard.p.y == y) count++;
+      }
+    }
+  }
+  quadrants[2] = count;
+
+  count = 0;
+  for (int y = rows / 2 + 1; y < rows; y++) {
+    for (int x = columns / 2 + 1; x < columns; x++) {
+      for (auto guard : guards) {
+        if (guard.p.x == x && guard.p.y == y) count++;
+      }
+    }
+  }
+  quadrants[3] = count;
+
+
+  return quadrants[0] * quadrants[1] * quadrants[2] * quadrants[3];
+}
+
+long part1(const char *path, int rows, int columns) {
+  vector<Guard> guards = parseGuards(path);
+
+  // printField(guards, rows, columns);
+
+  for (int i = 0; i < 100; i++) {
+    doStep(guards, rows, columns);
+  }
+
+  // printField(guards, rows, columns);
+
+  return calculateResult(guards, rows, columns);
+}
+
+bool isUnique(vector<Guard> guards, int rows, int columns) {
+  for (int y = 0; y < rows; y++) {
+    for (int x = 0; x < columns; x++) {
+      bool flag = false;
+      for (auto guard : guards) {
+        if (guard.p.x == x && guard.p.y == y) {
+          if (flag) return false;
+          else flag = true;
+        }
+      }
+    }
+  }
+  return true;
+}
+
+long part2(const char *path, int rows, int columns) {
+  vector<Guard> guards = parseGuards(path);
+
+  long step = 0;
+  while (true) {
+    if (isUnique(guards, rows, columns)) return step;
+
+    doStep(guards, rows, columns);
+    step++;
+  }
+}
+
+int main(int argc, char *argv[]) {
+  int example1 = part1("example", 7, 11);
+  cout << "example1: " << example1 << endl;
+  int input1 = part1("input", 103, 101);
+  cout << "input1: " << input1 << endl;
+
+  unsigned long long input2 = part2("input", 103, 101);
+  cout << "input2: " << input2 << endl;
+  return 0;
+}
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