#include <bits/stdc++.h>
using namespace std;
long long nch(long long n) {
  long long ans = 0, tmp = 1, k = 1;
  while (n) {
    ans += min(n, tmp * 9) * k;
    n -= min(n, tmp * 9);
    tmp *= 10;
    k++;
  }
  return ans;
}
char get(long long n, long long d) {
  string s;
  stringstream ss;
  ss << n;
  ss >> s;
  return s[d - 1];
}
char kth(long long n) {
  long long s = 0, nine = 9, d = 0, len;
  for (len = 1;; len++) {
    s += nine * len;
    d += nine;
    if (s >= n) {
      s -= nine * len;
      d -= nine;
      n -= s;
      break;
    }
    nine *= 10;
  }
  long long diff = ceil((double)n / len);
  long long dd = n % len;
  if (dd == 0) dd = len;
  return get(d + diff, dd);
}
int32_t main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long q;
  cin >> q;
  while (q--) {
    long long k, n = 1;
    cin >> k;
    for (n = 1; nch(n) < k; n++) k -= nch(n);
    cout << kth(k) << endl;
  }
  return 0;
}
