#include <bits/stdc++.h>

int main()
{
	std::string S[2];
	std::cin >> S[0] >> S[1];
	bool one{S[0] == "Sun" || S[0] == "Sat"}, two{S[1] == "Sun" || S[1] == "Sat"};
	if (one && !two) puts("8/32");
	else if (one) puts("8/33");
	else puts("8/31");

	return 0;
}