#include<bits/stdc++.h>
using namespace std;
string s1,s2;
int a[100005],b[100005],c[100005];
int lena,lenb,lenc;
int main(){
	cin>>s1>>s2;
	int lena=s1.length();
	int lenb=s2.length();
	for(int i=0;i<lena;i++){
		a[i]=s1[lena-i-1]-'0';
	}
	for(int i=0;i<lenb;i++){
		a[i]=s2[lenb-i-1]-'0';
	}
	int lenc=max(lena,lenb);
    for(int i=0;i<lenc;i++)
    {
        c[i] += a[i]+b[i];
		c[i+1] = c[i]/10;
        c[i] %= 10;
    }
    if(c[lenc]) lenc++;
    for(int i=lenc-1;i>=0;i--){
        cout << c[i];    	
	}
    return 0;
}