func_code_string: #include <bits/stdc++.h>   char b[20];   using namespace std;   int main() {     char a[14];     for (int i = 1; i <= 2; i++) {       scanf( %s , a);       if (strcmp(a,  monday ) == 0) b[i] = 1;       if (strcmp(a,  tuesday ) == 0) b[i] = 2;       if (strcmp(a,  wednesday ) == 0) b[i] = 3;       if (strcmp(a,  thursday ) == 0) b[i] = 4;       if (strcmp(a,  friday ) == 0) b[i] = 5;       if (strcmp(a,  saturday ) == 0) b[i] = 6;       if (strcmp(a,  sunday ) == 0) b[i] = 7;     }     int flag = 1;     for (int j = 3; j <= 5; j++) {       if (j * 7 - b[1] + b[2] == 31 || j * 7 - b[1] + b[2] == 30 ||           j * 7 - b[1] + b[2] == 28) {         printf( YES n );         flag = 0;       }     }     while (flag) {       printf( NO n );       flag = 0;     }   }   