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| #include<iostream> #include<vector>
using namespace std;
const int N = 1e6 + 10;
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(1); 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]); return 0; }
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