백준 - 10952번 A+B - 5

코드

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

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        StringBuilder sb = new StringBuilder();
        StringTokenizer st;

        while (true) {
            st = new StringTokenizer(br.readLine());
            int a = Integer.parseInt(st.nextToken());
            int b = Integer.parseInt(st.nextToken());

            if (a == 0 && b == 0) {
                break;
            }

            sb.append(a + b)
                    .append("\n");
        }

        System.out.println(sb);
    }
}