#define _USE_MATH_DEFINES #include <cstdio> #include <iostream> #include <sstream> #include <fstream> #include <iomanip> #include <algorithm> #include <cmath> #include <complex> #include <string> #include <vector> #include <array> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include <bitset> #include <numeric> #include <limits> #include <climits> #include <cfloat> #include <functional> #include <iterator> #include <memory> #include <regex> using namespace std; int main() { int ans = 31; for(int i=0; i<2; ++i){ string s; cin >> s; if(s == "Sat" || s == "Sun") ++ ans; else break; } cout << "8/" << ans << endl; return 0; }