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

class Program
{
    public void Proc()
    {
        Reader.IsDebug = false;
        int[] inpt = Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)).ToArray();

        if(IsKadomatsu(inpt[0], inpt[1], inpt[2])) {
            Console.WriteLine("INF");
            return;
        }

        if(inpt[0] == inpt[1] || inpt[0] == inpt[2] || inpt[1] == inpt[2]) {
            Console.WriteLine("0");
            return;
        }

        long ans = 0;
        for(int i=2; i<=inpt.Max(a=>a); i++) {
            if(this.IsKadomatsu(inpt[0] % i, inpt[1] % i, inpt[2] % i)) {
                ans++;
            }
        }
        Console.WriteLine(ans);

    }

    private bool IsKadomatsu(int numA, int numB, int numC) {
        if(numA == numB || numA == numC || numB == numC) {
            return false;
        }

        if(numA < numB && numC < numB) {
            return true;
        }

        if(numA > numB && numC > numB) {
            return true;
        }
        return false;
    }

    public class Reader
    {
        public static bool IsDebug = true;
        private static String PlainInput = @"


114 514 114

 
";
        private static System.IO.StringReader Sr = null;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (Sr == null)
                {
                    Sr = new System.IO.StringReader(PlainInput.Trim());
                }
                return Sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }

    }
    static void Main()
    {
        Program prg = new Program();
        prg.Proc();
    }
}