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 youbi = new Scanner(System.in);
    System.out.println("Enter the date");
    String date = youbi.nextLine();

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