Task15

import java.math.BigInteger;

public class Task15 {
    public static void main(String[] args) {
        BigInteger res =  BigInteger.valueOf(2147483647);
        int counter = 1;
        while(counter != 201){
            res.multiply(BigInteger.valueOf((long) counter * counter));
            counter++;
        }
        System.out.println(res);
    }
}