bigInteger

import java.util.Scanner;

public class SumaBigInteger {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner lee=new java.util.Scanner(System.in);

        String N1 = lee.next();
        String N2 = lee.next();

        java.math.BigInteger bi1 = new java.math.BigInteger(N1);
        java.math.BigInteger bi2 = new java.math.BigInteger(N2);

        System.out.println(bi1.add(bi2));


    }

}