func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = int(1e5) + 500;   int n, m, a[N], s, h, mm;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cin >> n >> s;     for (int i = 1; i <= n; i++) {       cin >> h >> mm;       a[++m] = h * 60 + mm;     }     if (a[1] >= s + 1) {       cout << 0 <<     << 0;       exit(0);     }     for (int i = 2; i <= n; i++) {       if (a[i] - a[i - 1] >= s * 2 + 2) {         cout << (a[i - 1] + s + 1) / 60 <<     << (a[i - 1] + s + 1) % 60;         exit(0);       }     }     cout << (a[m] + s + 1) / 60 <<     << (a[m] + s + 1) % 60;     return 0;   }   