#include"bits/stdc++.h" using namespace std; #define REP(k,m,n) for(int (k)=(m);(k)<(n);(k)++) #define rep(i,n) REP((i),0,(n)) using ll = long long; using pii = pair; using pll = pair; using tp3 = tuple; using Mat = vector>; constexpr int INF = 1 << 28; constexpr ll INFL = 1ll << 60; constexpr int dh[4] = { 0,1,0,-1 }; constexpr int dw[4] = { -1,0,1,0 }; bool isin(const int H, const int W, const int h, const int w) { return 0 <= h && h < H && 0 <= w && w < W; } template T minch(T& l, T r) { return l = min(l, r); } template T maxch(T& l, T r) { return l = max(l, r); } template void output(const T& val) { cout << val << endl; } template void output(const vector& vec, const bool newline = false) { for (const T& val : vec)cout << val << (newline ? '\n' : ' '); cout << endl; } template void output(const vector>& mat) { for (const auto& row : mat)output(row); } // ============ template finished ============ int main() { string A, B; cin >> A >> B; for (char c : A) { if (c == '-')continue; if (c < '0' || '9' < c)while (1); } for (char c : B) { if (c == '-')continue; if (c < '0' || '9' < c)while (1); } if (B.front() == '-') { output(stoll(A) + stoll(B)); } else { output(stoll(A + B)); } return 0; }