#include<iostream>
#include<vector>
using namespace std;
vector<int> add(vector<int> &A,vector<int> &B){
vector<int> C;
int t=0;
for(int i=0;i<A.size() || i<B.size();i++){
if(i<A.size()) t += A[i];
if(i<B.size()) t += B[i];
C.push_back(t%10);
t /= 10;
}
if(t) C.push_back(t);
return C;
}
int main(){
string a,b;
vector<int> A,B;
cin>>a>>b;
for(int i=a.size()-1;i>=0;i--) A.push_back(a[i]-'0');
for(int i=b.size()-1;i>=0;i--) B.push_back(b[i]-'0');
auto C=add(A,B);
for(int i=C.size()-1;i>=0;i--) printf("%d",C[i]);
}