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 C++14 (GCC 5.4.1) (judge verdict: Accepted)

#pragma warning(disable:4996)
#include<stdio.h>
#include<stdlib.h>
#include<iostream>
#include<algorithm>
#include<string.h>
#include<math.h>
#include<time.h>
#include<iomanip>
#include<vector>
using namespace std;
typedef unsigned long long ull;

int main() {
	char s[4];
	for (int i = 0; i < 3; ++i) {
		cin >> s[i];
	}
	
	switch (s[1]) {
	case 'A':
		cout << 1;
		return 0;
	case 'O':
		cout << 6;
		return 0;
	case 'U':
		if (s[2] == 'N') {
			cout << 7;
			return 0;
		}
		cout << 5;
		return 0;
	case 'E':
		cout << 4;
		return 0;
	case 'H':
		cout << 3;
		return 0;
	case 'R':
		cout << 2;
		return 0;
	}
}

/*

*/