#include <bits/stdc++.h>   using namespace std;   const int INF = 1 << 29;   const double EPS = 1e-10;   const double PI = 3.1415926535897932384626433832795;   const int CLK = CLOCKS_PER_SEC;   int calc(int s, int f, int t, int m) {     if (s == f) return 0;     s--;     f--;     t %= (2 * (m - 1));     int tos;     int stof;     bool up = (t < m - 1);     int pos = (t < m - 1) ? t : (2 * m - 2) - t;     if (up) {       if (s >= pos) {         tos = s - pos;       } else {         tos = (2 * m - 2) - pos - s;         up = false;       }     } else {       if (s <= pos) {         tos = pos - s;       } else {         tos = pos + s;         up = true;       }     }     pos = s;     if (up) {       if (f >= pos) {         stof = f - pos;       } else {         stof = (2 * m - 2) - pos - f;       }     } else {       if (f <= pos) {         stof = pos - f;       } else {         stof = pos + f;       }     }     return tos + stof;   }   int main() {     int n, m;     int s, f, t;     cin >> n >> m;     for (int i = 0; i < n; i++) {       cin >> s >> f >> t;       cout << calc(s, f, t, m) + t << endl;     }     return 0;   }   