import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class Main {
		
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new FileReader("adunare.in"));
		BufferedWriter bw = new BufferedWriter(new FileWriter("adunare.out"));
		int a, b;
			
		a = br.read();
		b = br.read();
		bw.write(a + b);
	}

}