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: Wrong Answer)

#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
const ll mod = 1e9+7;

int main(){
    string s;
    cin >> s;
    map<string,int> mp;
    mp["SUN"] = 7;
    mp["MON"] = 6;
    mp["THE"] = 5;
    mp["WED"] = 4;
    mp["THU"] = 3;
    mp["FRI"] = 2;
    mp["SAT"] = 1;
    cout << mp[s] << endl;
    return 0;
}