func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int ma = -1, mi = 1000000000000000;   inline long long int gcd(long long int a, long long int b) {     return b ? gcd(b, a % b) : a;   }   inline long long int lcm(long long int a, long long int b, long long int MOD) {     return a / gcd(a, b) * b % MOD;   }   long long int power(long long int x, unsigned int y) {     if (y == 0)       return 1;     else if (y % 2 == 0)       return power(x, y / 2) * power(x, y / 2);     else       return x * power(x, y / 2) * power(x, y / 2);   }   int main() {     ios_base::sync_with_stdio(0);     cin.tie(NULL);     cout.tie(NULL);     long long int i, j, k, a[100009] = {0}, b[100009] = {0}, c = 0, d = 0;     string n, m;     cin >> n >> m;     if (n ==  monday ) {       if (m ==  monday  || m ==  wednesday  || m ==  thursday ) {         cout <<  YES  << endl;         return 0;       }     }     if (n ==  tuesday ) {       if (m ==  tuesday  || m ==  friday  || m ==  thursday ) {         cout <<  YES  << endl;         return 0;       }     }     if (n ==  wednesday ) {       if (m ==  friday  || m ==  wednesday  || m ==  saturday ) {         cout <<  YES  << endl;         return 0;       }     }     if (n ==  thursday ) {       if (m ==  saturday  || m ==  sunday  || m ==  thursday ) {         cout <<  YES  << endl;         return 0;       }     }     if (n ==  friday ) {       if (m ==  friday  || m ==  sunday  || m ==  monday ) {         cout <<  YES  << endl;         return 0;       }     }     if (n ==  saturday ) {       if (m ==  saturday  || m ==  monday  || m ==  tuesday ) {         cout <<  YES  << endl;         return 0;       }     }     if (n ==  sunday ) {       if (m ==  sunday  || m ==  wednesday  || m ==  tuesday ) {         cout <<  YES  << endl;         return 0;       }     }     cout <<  NO  << endl;   }   