#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <algorithm>
#include <utility>
#include <functional>
#include <cstring>
#include <queue>
#include <stack>
#include <math.h>
#include <iterator>
#include <vector>
#include <string>
#include <set>
#include <math.h>
#include <iostream>
#include <random>
#include<map>
#include <iomanip>
#include <time.h>
#include <stdlib.h>
#include <list>
#include <typeinfo>
#include <list>
#include <set>
#include <cassert>
#include<fstream>
#include <unordered_map>
#include <cstdlib>
#include <complex>
using namespace std;
#define Ma_PI 3.141592653589793
#define eps 0.00000001
#define LONG_INF 1e18
#define GOLD 1.61803398874989484820458
#define MAX_MOD 1000000007
#define MOD 998244353
#define REP(i,n) for(long long i = 0;i < n;++i)    
#define seg_size 524288
long long gcd(long long a, long long b) {
	if (b == 0) return a;
	return gcd(b, a % b);
}
int main() {
	string a, b;
	cin >> a >> b;
	if (a == "Sun"||a == "Sat") {
		if (b == "Sun" || b == "Sat") {
			cout << "8/33" << endl;
		}
		else {
			cout << "8/32" << endl;
		}
	}
	else {
		cout << "8/31" << endl;
	}
}