UVA Problem ID 12356 (Army Buddies)

import java.io.BufferedOutputStream;
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));
		BufferedOutputStream output = new BufferedOutputStream(System.out);
		StringBuilder sb = new StringBuilder(10000);
		int left[]=new int[100001];
		int right[]=new int[100001];
		int S,B;
		String input;
		while((input=br.readLine())!=null)
		{
			StringTokenizer s=new StringTokenizer(input);
			S=Integer.parseInt(s.nextToken());
			B=Integer.parseInt(s.nextToken());
			if(S==0 && B==0)
				break;
			
			for (int i =0; i = 10000) {

                output.write(sb.toString().getBytes());

                sb = new StringBuilder(25000);

            }

		}
		output.write(sb.toString().getBytes());

        output.flush();

        output.close();
		
	}
}