```

include [HTML_REMOVED]

include [HTML_REMOVED]

using namespace std;

const int N = 1e6 + 10;

vector[HTML_REMOVED] add(vector[HTML_REMOVED] &A, vector[HTML_REMOVED] &B){
vector[HTML_REMOVED] 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(1);
return C;

}

int main(){
string a, b;
vector[HTML_REMOVED] A, B;
// C = A + B, A >= 0, B >= 0

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--){
    cout << C[i];
}
return 0;

}```