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: Wrong Answer)

	import java.util.Scanner;

	public class Main{
	  public static void main(String[] args){
	    Scanner sc = new Scanner(System.in);
	    String s = sc.nextLine();

	    switch(s) {
	    case "MON":
	    	System.out.println(6);
	    case "TUE":
	    	System.out.println(5);
	    case "WED":
	    	System.out.println(4);
	    case "THU":
	    	System.out.println(3);
	    case "FRI":
	    	System.out.println(2);
	    case "SAT":
	    	System.out.println(1);
	    case "SUN":
	    	System.out.println(7);
	  }
	}

}