#include <iostream>
#include <string>
using namespace std;
int main(){
    string str1, str2;
    cin >> str1 >> str2;
    
    if((str1 == "Sat" || str2 == "Sun") || (str1 == "Sun" || str2 == "Sat"))
        cout << "8/33";
    else if( str1 == "Sun" || str1 == "Sat")
        cout << "8/32";
    else
        cout << "8/31";
    
    return 0;
}