#include<bits/stdc++.h>
using namespace std;
int main(){
	char a1[502],b1[502];
	int a[502],b[502],c[502],lena,lenb,lenc,i,x;
	memset(a,0,sizeof(a));
	memset(b,0,sizeof(b));
	memset(c,0,sizeof(c));
	scanf("%s%s",&a1,&b1);
	lena=strlen(a1);
	lenb=strlen(b1);
	for (i=0;i<lena;i++) a[lena-i]=a1[i]-48;
	for (i=0;i<lena;i++) b[lena-i]=b1[i]-48;
	lenc=1;
	x=0;
	while (lenc<=lena||lenc<=lenb){
		c[lenc]=a[lenc]+b[lenc]+x;
		x=c[lenc]/10;
		c[lenc]=c[lenc]%10;
		lenc++; 
	}
	c[lenc]=x;
	if (c[lenc]==0){
		lenc--;
	}
	for (i=lenc;i>=1;i--){
		cout<<c[i];
	}
	return 0;
} 

#3#5WA