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#include <fstream>
#include <vector>
#include <string>
using namespace std;
ifstream in("adunare.in");
ofstream out("adunare.out");
const int baza= 10;
void hh_add(vector<int> &x, vector<int> &y){
int t= 0;
for(int i=0; i<(int)x.size()||i<(int)y.size()||t!=0; ++i){
if(i==(int)x.size()){
x.push_back(0);
}
if(i<(int)y.size()){
x[i]+= y[i];
}
x[i]+=t;
if(x[i]>=baza){
x[i]-= baza;
t= 1;
}
else t= 0;
}
}
void transforma(string a, vector<int> &x){
int k;
for(int i=(int)a.size()-1; i>=0; --i){
k= a[i]-'0';
x.push_back(k);
}
}
void scrie(vector <int> x){
for(int i= (int)x.size()-1; i>=0; i--){
out<<x[i];
}
}
int main()
{
vector <int> x, y;
string a,b;
getline(in, a);
getline(in, b);
transforma(a, x);
transforma(b, y);
hh_add(x,y);
scrie(x);
in.close();
out.close();
return 0;
}