#include <bits/stdc++.h>
using namespace std;
long long get(long long r) { return (r + 1) * r / 2; }
long long sumto(long long r, int need) {
  long long pw = 1;
  long long sum = 0;
  long long add = 0;
  for (int len = 1;; ++len) {
    if (pw * 10 - 1 < r) {
      long long cnt = pw * 10 - pw;
      if (need) {
        sum += add * cnt + get(cnt) * len;
        add += cnt * len;
      } else {
        sum += cnt * len;
      }
    } else {
      long long cnt = r - pw + 1;
      if (need) {
        sum += add * cnt + get(cnt) * len;
      } else {
        sum += cnt * len;
      }
      break;
    }
    pw *= 10;
  }
  return sum;
}
int main() {
  int q;
  cin >> q;
  while (q--) {
    long long k;
    cin >> k;
    --k;
    long long l = 1, r = 1e9;
    long long res = -1;
    while (r - l >= 0) {
      long long mid = (l + r) >> 1;
      if (sumto(mid, 1) > k) {
        res = mid;
        r = mid - 1;
      } else {
        l = mid + 1;
      }
    }
    k -= sumto(res - 1, 1);
    l = 1, r = res;
    long long num = -1;
    while (r - l >= 0) {
      int mid = (l + r) >> 1;
      if (sumto(mid, 0) > k) {
        num = mid;
        r = mid - 1;
      } else {
        l = mid + 1;
      }
    }
    cout << to_string(num)[k - sumto(num - 1, 0)] << endl;
  }
  return 0;
}
