#include <bits/stdc++.h>   using namespace std;   int main() {     int n, k;     cin >> n >> k;     int ara[2 * n + 1], count = 0;     for (int i = 0; i <= 2 * n; i++) {       cin >> ara[i];     }     for (int i = 0; count < k; i++) {       if (ara[i] + 1 < ara[i + 1] && ara[i + 1] - 1 > ara[i + 2]) {         ara[i + 1]--;         count++;       }     }     for (int i = 0; i < 2 * n; i++) {       cout << ara[i] <<    ;     }     cout << ara[2 * n] << endl;     return 0;   }   