7

using System;
using System.Linq;
using System.Text;
using System.Numerics;

namespace ExamPreparation
{
    public sealed class Preparation
    {
        public static void Main()
        {
            BigInteger first = BigInteger.Parse(Console.ReadLine());
            BigInteger second = BigInteger.Parse(Console.ReadLine());
            BigInteger product = first * second;

            Console.WriteLine(product);
        }
    }
}