#include <bits/stdc++.h>

using namespace std;

int main() {
  string s1, s2;
  cin >> s1 >> s2;
  bool one = (s1 == "Sat" || s1 == "Sun");
  bool two = (s2 == "Sat" || s2 == "Sun");

  if (one && !two) {
    puts("8/32");
  } else if (one && two) {
    puts("8/33");
  } else {
    puts("8/31");
  }

  return 0;
}