acm 北大 1001 A+B Problem java版

import java.io.*;
public class Main
{
  public static void main(String[] args) throws IOException
  {
  StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
  PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
  int a, b;
  while(in.nextToken() != StreamTokenizer.TT_EOF)
  {
  a = (int)in.nval;
  in.nextToken();
  b = (int)in.nval;
  out.println(a + b);
  }
  out.flush();
  }
}