백준 15552 java 빠른 A+B

https://www.acmicpc.net/problem/15552

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;

public class Main{
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter((System.out)));

        int N = Integer.parseInt(br.readLine());
        StringTokenizer st;

        for(int i=0; i<N; i++){
            st = new StringTokenizer(br.readLine(), " ");
            bw.write(Integer.parseInt(st.nextToken()) + Integer.parseInt(st.nextToken()) + "\n");
        }

        br.close();

        bw.flush();
        bw.close();
    }
}https://www.acmicpc.net/problem/15552