using System;
using System.Linq;

namespace _358
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
            if (x[0] == x[1] || x[0] == x[2] || x[1] == x[2]) Console.WriteLine(0);
            else if (x[1] == x.Max() || x[1] == x.Min()) Console.WriteLine("INF");
            else
            {
                int ret = 0;
                for (int i = 2; i <= x.Max(); i++)
                {
                    int[] a = new int[] { x[0] % i,x[1] % i,x[2] % i };
                    if (a[0] != a[1] && a[0] != a[2] && a[1] != a[2])
                    {
                        if (a[1] == a.Max() || a[1] == a.Min()) ret++;
                    }
                }
                Console.WriteLine(ret);
            }
        }
    }
}