using System;
using static System.Console;
using System.Collections.Generic;
using System.Linq;

public class Yuki841
{
	public static void Main()
	{
		var s = ReadLine().Split(' ').Select(x => x.StartsWith("S")).ToList();
		
		if(s[0])
		{
			if(s[1]) WriteLine("8/33");
			else WriteLine("8/32");
		}
		else WriteLine("8/31");
	}
}