#include<iostream>
#include<math.h>
#include<string.h>
#include<vector>
#include<algorithm>
#include<iomanip>
#include<deque>
using namespace std;

int main(){
	string s1,s2;
	cin >> s1 >> s2;
	int day=31;
	bool flg=false;
	if(s1=="Sat" || s1=="Sun"){
		day++;
		flg=true;
	}
	if(flg && (s2=="Sat" || s2=="Sun"))day++;
	cout << "8/" << day << endl;
	return 0;
}