import java.util.*; import java.io.*; import java.math.*;
public class Main{
	
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		BigInteger L = new BigInteger(sc.next());
		L = L.add(new BigInteger(sc.next()));
		System.out.println(L.toString());
	}
	//Don't have to see. end------------------------------------------
}