Problem:
Score : 100 points

Problem Statement

Given is a string S representing the day of the week today.

S is SUN, MON, TUE, WED, THU, FRI, or SAT, for Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday, respectively.

After how many days is the next Sunday (tomorrow or later)?

Constraints

S is SUN, MON, TUE, WED, THU, FRI, or SAT.

Input

Input is given from Standard Input in the following format:

S

Output

Print the number of days before the next Sunday.

Sample Input 1

SAT

Sample Output 1

1

It is Saturday today, and tomorrow will be Sunday.

Sample Input 2

SUN

Sample Output 2

7

It is Sunday today, and seven days later, it will be Sunday again.

Solution in C++14 (GCC 5.4.1) (judge verdict: Wrong Answer)

#include <bits/stdc++.h>
#define req(i,k) for(int i = 0; i < k; i++)
using namespace std;


int main(void) {
    string s;
  cin >> s;
  if(s == "SUN") {
   cout << 0;
  }
  if(s == "MON") {
   cout << 6;
  }
  if(s == "TUE") {
   cout << 5;
  }
  if(s == "WED") {
	cout << 4;
  }
  if(s == "THU") {
	cout << 3;
  }
  if(s == "FRI") {
	cout << 2;
  }
  if(s == "SAT") {
	cout << 1;
  }
    return 0;
}