using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace yukicoderTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] str = Console.ReadLine().Split(' ') ;
            string s1 = str[0];
            string s2 = str[1];
            if(s1.Substring(0,1)=="S")
            {
                if(s2.Substring(0,1)=="S")
                {
                    Console.WriteLine("8/33");
                }
                else
                {
                    Console.WriteLine("8/32");
                }
            }
            else
            {
                Console.WriteLine("8/31");
            }
        }
    }
}