java 8437

ㅓㅓㅓ어

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

class Main {
    public static void main(String[] args) throws Exception {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        BigInteger total = new BigInteger(br.readLine());
        BigInteger add = new BigInteger(br.readLine());
        BigInteger two = new BigInteger("2");

        BigInteger result = ((total.subtract(add)).divide(two));

        BigInteger Klaudia = result.add(add);
        BigInteger Natalia = result;

        System.out.println(Klaudia);
        System.out.println(Natalia);

        br.close();
    }
}