#include #include #include #include #include #include #include static const int MOD = 1000000007; using ll = long long; using u32 = unsigned; using namespace std; template constexpr T INF = ::numeric_limits::max() / 32 * 15 + 208; int main() { string s, t; cin >> s >> t; cout << t << " " << s << "\n"; return 0; }