using System;
using System.Linq;

class No358
{
    static void Main()
    {
        var num = Console.ReadLine().Split(' ').Select(x => Int32.Parse(x)).ToArray();
        string ans;
        var count = 0;
        if (num.Distinct().Count() < 3) ans = "0";
        else if ((num[0] < num[1] && num[2] < num[1]) || (num[1] < num[0] && num[1] < num[2])) ans = "INF";
        else
        {
            for (int i = num.Max(); i > 0; --i)
            {
                var temp = num.Select(x => x % i);
                if( (num[0] < num[1] && num[2] < num[1])|| (num[1] < num[0] && num[1] < num[2]))count++;
        }
        ans = count.ToString();
    }
    Console.WriteLine(ans);
    }
}