#include<bits/stdc++.h>
using namespace std;

int main(){
	cin.tie(0),ios::sync_with_stdio(false);
	string s1,s2; cin>>s1>>s2;
	if((s1=="Sat"s||s1=="Sun"s)&&(s2=="Sat"s||s2=="Sun"s))cout<<"8/33\n"s;
	else if((s1=="Sat"s||s1=="Sun"s)||(s2=="Sat"s||s2=="Sun"s))cout<<"8/32\n"s;
	else cout<<"8/31\n"s;
}