#include<bits/stdc++.h>
using namespace std;
#define MAX 1000 /* precision */
void input(char ch[]) {
	scanf("%s", ch);
}
void add(char ch1[], char ch2[], char ch3[]) {
	int len1, len2, len3, maxlen;
	int sum, flag;
	len1=strlen(ch1);
	len2=strlen(ch2);
	len3=maxlen=len1 >= len2 ? len1 : len2;
	flag=0; /* jin wei */

	while(len1>=1 && len2>=1) {
		sum=ch1[len1-1]-'0' + ch2[len2-1]-'0' + flag; /* char -> int to calculate sum */
		flag=0;

		if(sum>=10) {
			sum-=10;
			flag=1;
		}
		ch3[maxlen-1]=sum + '0';
		len1--;
		len2--;
		maxlen--;
	}
	while(len1>=1) { /* if num1[] is longer or maxer */
		sum=ch1[len1-1]-'0' + flag;
		flag=0;

		if(sum>=10) {
			sum-=10;
			flag=1;
		}
		ch3[maxlen-1]=sum + '0';
		len1--;
		maxlen--;
	}

	while(len2>=1) { /* if num2[] is longer or maxer */
		sum=ch2[len2-1]-'0' + flag;
		flag=0;

		if(sum>=10) {
			sum-=10;
			flag=1;
		}
		ch3[maxlen-1]=sum + '0';
		len2--;
		maxlen--;
	}
	if(flag != 0) /* if flag, then print gaowei(jinwei) */
		printf("%d", flag);
	for(int i=0; i<len3; i++)
		printf("%c", ch3[i]);
	printf("\n");
}
int main() {
	char ch1[MAX], ch2[MAX], ch3[MAX+1];
	memset(ch3, '0', sizeof(ch3));
	input(ch1);
	input(ch2);
	add(ch1, ch2, ch3);
	return 0;
}