func_code_string: #include <bits/stdc++.h>   int main() {     int a, b, c;     scanf( %d%d%d , &a, &b, &c);     int x = 30;     while (a > 0 || b > 0 || c > 0) {       switch (x % 3) {         case 0:           a -= 2;           if (a < 0) a = 0;           break;         case 1:           b -= 2;           if (b < 0) b = 0;           break;         case 2:           c -= 2;           if (c < 0) c = 0;           break;       }       x++;     }     printf( %d n , x - 1);   }   