#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("adunare.in");
ofstream fout("adunare.out");
int a[100],b[100];
int maxi(int n,int m){
	if (n>m)return n;
	else return m;
}
void suma(int a[],int b[]){
	int i,t=0;
	int n=a[0],m=b[0];
	for(i=1; i<=maxi(a[0],b[0]) ||t;i++,t/=10)
	a[i]=(t+=(i<=n?a[i]:0)+(i<=m?b[i]:0))%10;
	a[0]=i-1;
	
}
 int main(){
 	int k,k1;
 	fin>>k>>k1;
 	while(k>0){a[++a[0]]=k%10; k/=10;}
 	while(k1>0){b[++b[0]]=k1%10; k1/=10;}
 	suma(a,b);
 	for (int 
	 i=a[0];i>=1;i--) fout<<a[i];
 	return 0;
 }