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 (a, b) = (c[0], c[1]);
        var dp = new int[b + 1];
        dp[b] = a;
        for (var i = b - 2; i >= 0; --i)
        {
            dp[i] -= dp[i + 2];
            dp[i + 1] -= dp[i + 2];
            dp[i + 2] = 0;
        }
        if (dp.Length == 1) WriteLine($"0 {dp[0]}");
        else WriteLine($"{dp[1]} {dp[0]}");
    }
}