using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;
class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var x = c[0] * c[1] * 2 + c[1] * c[2] * 2 + c[2] * c[0] * 2;
        var y = c[0] * c[1] * c[2];
        WriteLine(x > y ? 2 : 3);
    }
}