#include using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define dup(x,y) (((x)+(y)-1)/(y)) #define ALL(x) (x).begin(), (x).end() typedef long long ll; typedef pair pii; const double EPS = 1e-10; const int INF = 1e9; const ll LINF = 1e18; const int MOD = 1000000007; const double PI = acos(-1); int dx[4] = {0,1,0,-1}; int dy[4] = {1,0,-1,0}; int main() { int n; cin >> n; rep(i,n) { int d; cin >> d; cout << "9"; rep(i,d) cout << "0"; cout << endl; } }