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>
#include<string.h>
int main(){
    char str[4];
    scanf("%s",str);
    if(strcmp(str,"SUN") == 0){
        printf("7");
    }
    if(strcmp(str,"MON") == 0){
        printf("6");
    }
     if(strcmp(str,"TUE") == 0){
        printf("5");
    }
     if(strcmp(str,"WED") == 0){
        printf("4");
    }
     if(strcmp(str,"THU") == 0){
        printf("3");
    }
     if(strcmp(str,"FRI") == 0){
        printf("2");
    }
     if(strcmp(str,"SAT") == 0){
        printf("1");
    }
    return 0;
}