import java.io.FileReader;
import java.io.FileWriter;

	
public class problema11 {
	
	public static void main(String[] args) throws Exception {
		FileReader fr = new FileReader("adunare.in");
		FileWriter fw = new FileWriter("adunare.out");
		
		int a = fr.read();
		int b = fr.read();
		
		fw.write(a + b);
	}
}