[백준/Java] 11021번 - A+B 예쁘게

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

public class Main{
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer st;
        
        int T = Integer.parseInt(br.readLine());
        int a, b;
        
        for(int i=1;i<=T;i++) {
            st = new StringTokenizer(br.readLine());
            a = Integer.parseInt(st.nextToken());
            b = Integer.parseInt(st.nextToken());
            bw.write(String.format("Case #%d: %d\n", i, a+b));
        }
        bw.close();
        
    }
}

에러가 자꾸 뜨길래 왜 안 되지 했는데 줄바꿈을 까먹었었다.