package jp.fedom.challange.yuki.q249;

import java.math.BigInteger;
import java.util.Scanner;

public class Main {
	static BigInteger t = BigInteger.ZERO;
	static BigInteger TWO = BigInteger.valueOf(2);
	static BigInteger m = new BigInteger("1000000007");

	public static void main(String[] args) {
System.out.println(500);
    }
}