10951&10952

#10951

import java.io.*;
import java.util.*;

public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int a,b;
		String line;
		while((line=br.readLine())!=null) {
			StringTokenizer st = new StringTokenizer(line);
			a = Integer.parseInt(st.nextToken());
			b = Integer.parseInt(st.nextToken());
			System.out.println(a+b);
		}

	}
}

#10952

import java.io.*;
import java.util.*;

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));
		int a,b;
		StringTokenizer st = new StringTokenizer(br.readLine());
		a = Integer.parseInt(st.nextToken());
		b = Integer.parseInt(st.nextToken());
		System.out.println(a+b);
		while ((a+b)!=0){
			st = new StringTokenizer(br.readLine());
			a = Integer.parseInt(st.nextToken());
			b = Integer.parseInt(st.nextToken());
			if ((a+b)!=0){
				System.out.println(a+b);
			}
		}
		bw.flush();
		bw.close();
	}
}

위 를 좀더 정리...

import java.io.*;
import java.util.*;

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));
		int a,b;

		while(true) {
			StringTokenizer st = new StringTokenizer(br.readLine());
			a = Integer.parseInt(st.nextToken());
			b = Integer.parseInt(st.nextToken());
			if ((a+b)==0){
				break;
			}
			System.out.println(a+b);
		}
		bw.flush();
		bw.close();

	}
}