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>

enum week {
  MON,
  TUE,
  WED,
  THU,
  FRI,
  SAT,
  SUN
};
int main()
{
 

 
    char s[3];
    // 整数の入力
 
    // 文字列の入力
    scanf("%s",s);
  
 	if(strcmp(s,"SUN")==0){
        printf("7");
    }
if(strcmp(s,"MON")==0){
        printf("6");
}
    if(strcmp(s,"TUE")==0){
        printf("5");
    }
         if(strcmp(s,"WED")==0){
        printf("4");
         }
    if(strcmp(s,"THU")==0){
        printf("3");
    }
  if(strcmp(s,"FRI")==0){
        printf("2");
  }
    if(strcmp(s,"SAT")==0){
        printf("1");
    }
    // 出力
  

    return 0;
}