#include <bits/stdc++.h>   using namespace std;   int main() {     int n, m;     cin >> n >> m;     int s, f, t;     for (int i = 0; i < n; i++) {       cin >> s >> f >> t;       int flag = t / (m - 1);       int yushu = t % (m - 1);       int floor;       if (flag & 1) {         floor = m - yushu;       } else         floor = 1 + yushu;       int totaltime = 0;       if (s > floor) {         if (flag % 2 == 0)           totaltime = s - floor;         else           totaltime = floor - 1 + s - 1, flag = 0;         floor = s;       } else if (s < floor) {         if (flag % 2 == 0) {           totaltime = (m - floor) + (m - s);           flag = 1;         } else           totaltime = floor - s;         floor = s;       }       if (s == f) {         totaltime = t;       } else {         if (floor > f) {           if (flag % 2 == 0) {             totaltime += (m - floor + m - f);           } else             totaltime += floor - f;         } else if (floor < f) {           if (flag % 2 == 0)             totaltime += f - floor;           else             totaltime += floor - 1 + f - 1;         }         totaltime += t;       }       cout << totaltime << endl;     }     return 0;   }   