#include #include #include using namespace std; int main(){ int64_t n; cin >> n; random_device rnd; mt19937 mt(rnd()); while(true){ int64_t a = mt(), b = n - a; string s = to_string(a), t = to_string(b); if(count(s.begin(), s.end(), '7') == 0 && count(t.begin(), t.end(), '7') == 0 && -1e9 <= a && a <= 1e9 && -1e9 <= b && b <= 1e9){ cout << a << ' ' << b << endl; return 0; } } }