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 (GCC 5.4.1) (judge verdict: Accepted)

#include<stdio.h>

int main(void)
{
	
	int a,b=0;
	char c[10];
	scanf("%s",c);
	
	if (c[0] == 'S')
		if (c[1] == 'A')printf("1");
		else printf("7");
	if (c[0] == 'M')printf("6");
	if (c[0] == 'T')
		if (c[1] == 'U')printf("5");
			else printf("3");
	if (c[0] == 'W')printf("4");
	if (c[0] == 'F')printf("2");

	return 0;			
}