백준 18398 자바 - HOMWRK

// HOMWRK
package Bronze_IV_4;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Ex18398 {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int t = Integer.parseInt(br.readLine());

        for (int i = 0; i < t; i++) {
            int n = Integer.parseInt(br.readLine());

            int sum, mul;
            for (int j = 0; j < n; j++) {
                StringTokenizer st = new StringTokenizer(br.readLine());
                int a = Integer.parseInt(st.nextToken());
                int b = Integer.parseInt(st.nextToken());
                sum = a + b;
                mul = a * b;
                System.out.printf("%d %d\n", sum, mul);
            }
        }
    }
}