#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
constexpr long long mod = 1000000007;
const long long INF = mod * mod;
const double eps = 1e-12;
const double pi = acosl(-1.0);
long long mod_pow(long long x, long long n, long long m = mod) {
  if (n < 0) {
    long long res = mod_pow(x, -n, m);
    return mod_pow(res, m - 2, m);
  }
  if (abs(x) >= m) x %= m;
  if (x < 0) x += m;
  long long res = 1;
  while (n) {
    if (n & 1) res = res * x % m;
    x = x * x % m;
    n >>= 1;
  }
  return res;
}
struct modint {
  long long n;
  modint() : n(0) { ; }
  modint(long long m) : n(m) {
    if (n >= mod)
      n %= mod;
    else if (n < 0)
      n = (n % mod + mod) % mod;
  }
  operator int() { return n; }
};
bool operator==(modint a, modint b) { return a.n == b.n; }
modint operator+=(modint& a, modint b) {
  a.n += b.n;
  if (a.n >= mod) a.n -= mod;
  return a;
}
modint operator-=(modint& a, modint b) {
  a.n -= b.n;
  if (a.n < 0) a.n += mod;
  return a;
}
modint operator*=(modint& a, modint b) {
  a.n = ((long long)a.n * b.n) % mod;
  return a;
}
modint operator+(modint a, modint b) { return a += b; }
modint operator-(modint a, modint b) { return a -= b; }
modint operator*(modint a, modint b) { return a *= b; }
modint operator^(modint a, long long n) {
  if (n == 0) return modint(1);
  modint res = (a * a) ^ (n / 2);
  if (n % 2) res = res * a;
  return res;
}
long long inv(long long a, long long p) {
  return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p);
}
modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }
modint operator/=(modint& a, modint b) {
  a = a / b;
  return a;
}
const int max_n = 1 << 10;
modint fact[max_n], factinv[max_n];
void init_f() {
  fact[0] = modint(1);
  for (int i = 0; i < max_n - 1; i++) {
    fact[i + 1] = fact[i] * modint(i + 1);
  }
  factinv[max_n - 1] = modint(1) / fact[max_n - 1];
  for (int i = max_n - 2; i >= 0; i--) {
    factinv[i] = factinv[i + 1] * modint(i + 1);
  }
}
modint comb(int a, int b) {
  if (a < 0 || b < 0 || a < b) return 0;
  return fact[a] * factinv[b] * factinv[a - b];
}
modint combP(int a, int b) {
  if (a < 0 || b < 0 || a < b) return 0;
  return fact[a] * factinv[a - b];
}
int gcd(int a, int b) {
  if (a < b) swap(a, b);
  while (b) {
    int r = a % b;
    a = b;
    b = r;
  }
  return a;
}
long long mul(long long a, long long b) {
  if (a == 0) return 0;
  if (INF / a < b) return INF;
  return a * b;
}
int calc(long long n) {
  long long num = 9;
  long long p = 1;
  for (int c = 1;; c++) {
    long long sup = c * num;
    if (n >= sup) {
      n -= sup;
      num *= 10;
      p *= 10;
    } else {
      long long loc = p + n / c;
      long long r = n % c;
      string s = to_string(loc);
      return s[r] - '0';
    }
  }
}
void solve() {
  long long n;
  cin >> n;
  n--;
  long long sum = 0;
  long long num = 9;
  for (int c = 1;; c++) {
    long long le = sum + c;
    long long sup = mul(num, le) + mul(num * (num - 1) / 2, c);
    if (n >= sup) {
      n -= sup;
    } else {
      long long l = -1, r = num + 1;
      while (r - l > 1) {
        long long m = (l + r) / 2;
        long long x = mul(m, le) + mul(m * (m - 1) / 2, c);
        if (n >= x)
          l = m;
        else
          r = m;
      }
      long long x = mul(l, le) + mul(l * (l - 1) / 2, c);
      cout << calc(n - x) << "\n";
      break;
    }
    sum += num * c;
    num *= 10;
  }
}
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int t;
  cin >> t;
  for (int i = 0; i < t; i++) solve();
  return 0;
}
