#include <iostream>
#include <string>
using namespace std;
int a[1000],b[1000],c[1000];
int main(){
	string sa,sb;
	int i,j,k; 
	cin>>sa;
	cin>>sb;
	while(sa.length()<sb.length())sa='0'+sa;
	while(sa.length()>sb.length())sb='0'+sb;
	k=0;
	for(i=sa.length();i>0;i--){
		k=k+sa[i-1]+sb[i-1]-'0'-'0';
		a[i]=k%10;
		k=k/10;
	}
	if(k>0){
		a[0]=k;
		k=0;
    }
    else
    k=1;
    for(i=k;sa.length();i++)   cout<<a[i];
}