#include using namespace std; using ll = long long; constexpr long long MOD = 1000000007; constexpr long long INF = 1LL << 60; const long double PI = acosl(-1.0); constexpr long double EPS = 1e-11; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } int main(){ ll n; cin >> n; assert(0 <= n and n <= 1000); string ans; for(ll i=0;i