#if 1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef _MSC_VER #pragma warning( push ) #pragma warning( disable : 26450 ) #pragma warning( disable : 26451 ) #pragma warning( disable : 26498 ) #pragma warning( disable : 4459 ) #endif #include #ifdef _MSC_VER #pragma warning( pop ) #endif auto& in = std::cin; auto& out = std::cout; #define all_range(C) std::begin(C), std::end(C) const double PI = 3.141592653589793238462643383279502884197169399375105820974944; int32_t N; int main() { using std::endl; in.sync_with_stdio(false); out.sync_with_stdio(false); in.tie(nullptr); out.tie(nullptr); in >> N; std::cout << N * N << std::endl; return 0; } #endif