[백준] 10952 : A + B - 5 JAVA 풀이

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));
        StringTokenizer st;
        StringBuilder sb = new StringBuilder();
        int A, B;
        while(true){
            st = new StringTokenizer(br.readLine()," "); // 이 문장의 위치 때문에 좀 애를 먹었다....
            A = Integer.parseInt(st.nextToken());
            B = Integer.parseInt(st.nextToken());
            
            if(A==0&&B==0){
                break;
            }
            sb.append(A+B).append("\n");
        }
        System.out.println(sb);
    }
}