func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class T>   inline void IO(T &x) {     char c = getchar();     T sgn = 1;     while (c <  0  || c >  9 ) {       if (c ==  - ) sgn = -1;       c = getchar();     }     x = 0;     while (c >=  0  && c <=  9 ) {       x = (T)(x << 1) + (x << 3) + c -  0 ;       c = getchar();     }     x *= sgn;   }   template <class T>   T POW(T b, T push) {     T res = 1;     while (push > 0) {       if (push & 1) res *= b;       push >>= (1ll), b *= b;     }     return res;   }   template <class T>   T bMOD(T a, T push, T m) {     if (push == 0) return (T)1;     if (!(push & 1)) {       T temp = bMOD(a, push / 2, m);       return ((temp % m) * (temp % m)) % m;     }     return ((a % m) * (bMOD(a, push - 1, m) % m)) % m;   }   template <class T>   T inMOD(T a, T m) {     return bMOD(a, m - 2, m);   }   template <class T>   bool isPrime(T n) {     for (T i = 2; i * i <= n; i++) {       if (n % i == 0) return false;     }     return true;   }   template <class T>   string toString(T n) {     stringstream second;     string num;     second << n;     second >> num;     return num;   }   template <class T>   T sq(T n) {     return (n * n);   }   template <class T>   T gcd(T a, T b) {     return (b == 0) ? a : gcd(b, a % b);   }   template <class T>   T lcm(T a, T b) {     return (a / gcd(a, b)) * b;   }   bool iseq(double a, double b) { return fabs(a - b) < 1e-9; }   template <class T>   T toDeg(T x) {     return (180.0 * x) / ((T)acos(-1.0));   }   template <class T>   T toReg(T x) {     return (x * (T)acos(-1.0)) / (180.0);   }   template <class T>   double _distance(T x1, T y1, T x2, T y2) {     return 1.0 * sqrt(sq(x1 - x2) + sq(y1 - y2));   }   int kx[] = {-2, -2, +2, +2, +1, -1, +1, -1};   int ky[] = {+1, -1, +1, -1, -2, -2, +2, +2};   int dx[] = {+0, +0, -1, +1, +1, +1, -1, -1};   int dy[] = {+1, -1, +0, +0, -1, +1, +1, -1};   int x[] = {+0, +0, +1, -1};   int y[] = {+1, -1, +0, +0};   int main() {     int h1, m1, h2, m2;     scanf( %d:%d , &h1, &m1);     scanf( %d:%d , &h2, &m2);     int hour = h1 * 60 + h2 * 60 + m1 + m2;     hour /= 2;     int hm = hour / 60;     int mm = hour % 60;     if (hm < 10) {       printf( 0%d: , hm);     } else {       printf( %d: , hm);     }     if (mm < 10) {       printf( 0%d n , mm);     } else {       printf( %d n , mm);     }     return 0;   }   