func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class A>   void pr(A a) {     cout << a;     cout <<   n ;   }   template <class A, class B>   void pr(A a, B b) {     cout << a <<    ;     pr(b);   }   template <class A, class B, class C>   void pr(A a, B b, C c) {     cout << a <<    ;     pr(b, c);   }   template <class A, class B, class C, class D>   void pr(A a, B b, C c, D d) {     cout << a <<    ;     pr(b, c, d);   }   template <class A>   void PR(A a, long long n) {     for (long long i = (long long)(0); i < (long long)(n); i++) {       if (i) cout <<    ;       cout << a[i];     }     cout <<   n ;   }   long long check(long long n, long long m, long long x, long long y) {     return x >= 0 && x < n && y >= 0 && y < m;   }   const long long MAX = 1e9 + 7, MAXL = 1LL << 61, dx[4] = {-1, 0, 1, 0},                   dy[4] = {0, 1, 0, -1};   void Main() {     int h1, m1, h2, m2;     scanf( %d:%d , &h1, &m1);     scanf( %d:%d , &h2, &m2);     int d = h1 * 60 + m1 + h2 * 60 + m2;     d /= 2;     if (h1 * 60 + m1 > h2 * 60 + m2) d += 12 * 60;     d %= 24 * 60;     printf( %02d:%02d n , d / 60, d % 60);   }   int main() {     Main();     return 0;   }   