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++ (GCC 9.2.1) (judge verdict: Accepted)

#include<bits/stdc++.h>
using namespace std ; 


int main() {
  string S ; 
  cin >> S ; 
  
  
  if (S == "SUN"){
    cout << 7 << endl ; 
  }
  else if (S == "MON"){
    cout << 6 << endl ; 
  }
    else if (S == "MON"){
    cout << 6 << endl ; 
  }
    else if (S == "TUE"){
    cout << 5 << endl ; 
  }
    else if (S == "WED"){
    cout << 4 << endl ; 
  }
    else if (S == "THU"){
    cout << 3 << endl ; 
  }
    else if (S == "FRI"){
    cout << 2 << endl ; 
  }
  else {
    cout << 1 << endl ; 
    
  }
  
  
  
  
  
}