A + B is often used as an example of the easiest problem possible to show some contest platform. However, some scientists have observed that sometimes this problem is not so easy to get accepted. Want to try?

Input

The input contains two integers a and b (0 ≤ a, b ≤ 103), separated by a single space.

Output

Output the sum of the given integers.

Examples

Input

5 14


Output

19


Input

381 492


Output

873
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.StringTokenizer;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 * @author Abra
 */
public class Main {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		OutputWriter out = new OutputWriter(outputStream);
		TaskH solver = new TaskH();
		solver.solve(1, in, out);
		out.close();
	}
}

class TaskH {

  public void solve(int testNumber, InputReader in, OutputWriter out) {
    out.println(in.nextInt() + in.nextInt());
  }
}

class InputReader {

  BufferedReader br;
  StringTokenizer in;

  public InputReader(String fileName) {
    try {
      br = new BufferedReader(new FileReader(fileName));
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  public InputReader(InputStream inputStream) {
    br = new BufferedReader(new InputStreamReader(inputStream));
  }

  boolean hasMoreTokens() {
    while (in == null || !in.hasMoreTokens()) {
      String s = nextLine();
      if (s == null) {
        return false;
      }
      in = new StringTokenizer(s);
    }
    return true;
  }

  public String nextString() {
    return hasMoreTokens() ? in.nextToken() : null;
  }

  public String nextLine() {
    try {
      in = null; // riad legacy
      return br.readLine();
    } catch (Exception e) {
      e.printStackTrace();
      return null;
    }
  }

  public int nextInt() {
    return Integer.parseInt(nextString());
  }

}

class OutputWriter extends PrintWriter {

  public OutputWriter(String fileName) throws FileNotFoundException {
    super(fileName);
  }

  public OutputWriter(OutputStream outputStream) {
    super(outputStream);
  }

  public OutputWriter(Writer writer) {
    super(writer);
  }

}

