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 JavaScript (node.js v5.12) (judge verdict: Wrong Answer)

// inputに入力データ全体が入る
function Main(input) {
	if(input == 'SUN'){
      console.log(7);
    }else if(input == 'MON'){
      console.log(6);
    }else if(input == 'TUE'){
      console.log(5);
    }else if(input == 'WED'){
      console.log(4);
    }else if(input == 'THU'){
      console.log(3);
    }else if(input == 'FRI'){
      console.log(2);
    }else if(input == 'SAT'){
      console.log(1);
    }
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));