#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int t;
  cin >> t;
  while (t--) {
    int n;
    cin >> n;
    int sum = ((n - 1) % 10) * 10;
    int adder = 1;
    for (int i = 1; n > 0; i++) {
      sum += adder++;
      n /= 10;
    }
    cout << sum << endl;
  }
}
