using System;

class Program
{
    static void Main(string[] args)
    {
        long n = long.Parse(Console.ReadLine());
        long prev = GetPreviousCode(n);
        long next = GetNextCode(n);

        Console.WriteLine(prev >= 0 ? prev.ToString() : "-1");
        Console.WriteLine(next >= 0 ? next.ToString() : "-1");
        Console.ReadKey();
    }

    static long GetPreviousCode(long n)
    {
        int bitCount = CountOnes(n);
        for (long i = n - 1; i >= 1; i--)
        {
            if (CountOnes(i) == bitCount) return i;
        }
        return -1;
    }

    static long GetNextCode(long n)
    {
        int bitCount = CountOnes(n);
        for (long i = n + 1; i <= long.MaxValue; i++)
        {
            if (CountOnes(i) == bitCount) return i;
        }
        return -1;
    }

    static int CountOnes(long n)
    {
        int count = 0;
        while (n > 0)
        {
            if ((n & 1) == 1) count++;
            n >>= 1;
        }
        return count;

       
    }

}