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 Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

import java.util.*;
  
  class Main{
  	public static void main(String args[]){
      Scanner sc = new Scanner(System.in);
      String input =sc.nextLine();
           
      if(input.equals("SUN"))System.out.println('7');
      if(input.equals("MON"))System.out.println('6');
      if(input.equals("TUE"))System.out.println('5');
      if(input.equals("WED"))System.out.println('4');
      if(input.equals("THU"))System.out.println('3');
      if(input.equals("FRI"))System.out.println('2');
      if(input.equals("SAT"))System.out.println('1');
    }
  }