// SPDX-FileCopyrightText: Chris Pressey, the original author of this work, has dedicated it to the public domain.
// For more information, please refer to <https://unlicense.org/>
// SPDX-License-Identifier: Unlicense
using System;
using System.Numeric; // Apparently this isn't supported yet in Mono...
namespace Big {
class Big {
static void Main(string[] args) {
String s = Console.ReadLine();
BigInteger x = BigInteger.Parse(s);
Console.WriteLine(x.ToString());
}
}
}