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 (Clang 3.8.0) (judge verdict: Accepted)

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