import java.math.BigInteger;
import java.io.*;
public class Main {
public static void main(String[] args) throws IOException{
BufferedReader sc = new BufferedReader(new InputStreamReader(System.in));
BigInteger a = new BigInteger(sc.readLine());
BigInteger b = new BigInteger(sc.readLine());
System.out.println(a.add(b));
sc.close();
}
}