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.*;


public class Main {

    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);
      String day = sc.nextLine();
      int output = 0;
        switch(day){
          case "SUN":
            output = 7;
            break;
          case "MON":
            output = 6;
            break;
          case "TUE":
            output = 5;
            break;
          case "WED":
            output = 4;
            break;
          case "THU":
            output = 3;
            break;
          case "FRI":
            output = 2;
            break;
          case "SAT":
            output = 1;
            break;
          default:
            break;
    	}
    System.out.println(output);
    }
}