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: Runtime Error)

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package main;

import java.util.Scanner;

/**
 *
 * @author Nour
 */
public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
 //S is SUN, MON, TUE, WED, THU, FRI, or SAT.
 Scanner input=new Scanner(System.in);
 String S =input.next();
 if (S.equals("SUN")){
     System.out.println(7+"\n"+"It is Sunday today, and seven days later, it will be Sunday again.");}
 else if(S.equals("MON")){
     System.out.println(6+"\n"+"It is Monday today, and six days later, it will be Sunday again.");}
 else if(S.equals("TUE")){
     System.out.println(5+"\n"+"It is  Tuesday today, and five days later, it will be Sunday again.");}
else if(S.equals("WED")){
     System.out.println(4+"\n"+"It is  Wensday today, and four days later, it will be Sunday again.");}
 else if(S.equals("THU")){
     System.out.println(3+"\n"+"It is  Thursday today, and three days later, it will be Sunday again.");}
 else if(S.equals("FRI")){
     System.out.println(2+"\n"+"It is  fraiday today, and two days later, it will be Sunday again.");}
 else if(S.equals("SAT")){
     System.out.println(1+"\n"+"It is  Saturday today, and three days later, it will be Sunday again.");
    }}
    
}