Java BigInteger

 

import java.math.BigInteger;

public class SwitchTest {
    public static void main(String[] args) {
        BigInteger n=new BigInteger("4125444444444444444444444444");
        BigInteger n1=new BigInteger ("45111111111111111111111111");
        System.out.println(n.add(n1));
        System.out.println(n.subtract(n1));
        System.out.println(n.multiply(n1));
        System.out.println(n.divide(n1));
    }
}