import java.math.BigInteger;
import java.util.Scanner;

public class 大數相加 {
	public  static void main(String[] args){
		Scanner scan=new Scanner(System.in);
		BigInteger a,b,c;
		a=scan.nextBigInteger();
		b=scan.nextBigInteger();
		System.out.println(a.add(b));
	}

}
 

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