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.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class H_1_4 {

	public static void main(String[] args) throws IOException {
		Init(System.in);
		int a = NextInt();
		int b = NextInt();
		System.out.println(a   + b);

	}

	/*****************************************************************
	 ******************** READER *******************************
	 *****************************************************************/
	static BufferedReader reader;
	static StringTokenizer tokenizer;

	static void Init(InputStream input) {
		reader = new BufferedReader(new InputStreamReader(input));
		tokenizer = new StringTokenizer("");
	}

	static String Next() throws IOException {
		while (!tokenizer.hasMoreTokens()) {
			tokenizer = new StringTokenizer(reader.readLine());
		}
		return tokenizer.nextToken();
	}

	static int NextInt() throws IOException {
		return Integer.parseInt(Next());
	}

	static long NextLong() throws IOException {
		return Long.parseLong(Next());
	}

	static Double NextDouble() throws IOException {
		return Double.parseDouble(Next());
	}

}
