UVA - 10106 - Product

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigInteger;


public class Main {

    public static void main(String[] args) throws IOException {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
        StringBuffer sb=new StringBuffer("");
        String m="";
        BigInteger x,y;
            while((m=br.readLine())!=null) {
               x=new BigInteger(m);
               m=br.readLine();
               y=new BigInteger(m);
               sb.append(x.multiply(y)).append("\n");
               }
            System.out.print(sb);
    }
}