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.Scanner;

public class Main {

	public static void main(String[] args) {

		/*
		 * Scannerで値取得。
		 */
		Scanner row = new Scanner(System.in);

		//値取得
		String rows = row.next();

		row.close();
		
		//表示する値を格納する
		int show = 0;
		
		//入力に対応する日数を格納する
		switch(rows){
			case "SUN":
				show = 7;
				break;
			case "MON":
				show =6;
				break;
			case "TUE":
				show =5;
				break;
			case "WED":
				show =4;
				break;
			case "THU":
				show =3;
				break;
			case "FRI":
				show =2;
				break;
			case "SAT":
				show =1;
				break;
				
		}
		
		//表示
		System.out.println(show);

	}

}