#include <bits/stdc++.h>
using namespace std;


const int MOD = 10;

int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n;
    cin >> n;
    vector < int > a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    int q[MOD];
    memset(q, -1, sizeof(q));
    q[0] = n;
    int val = 0;
    vector < int > ans;
    for (int i = n - 1; i >= 0; i--) {
        val = (val + a[i]) % MOD;
        if (q[val] != -1) {
            ans.push_back(q[val] - i);
        } else {
            ans.push_back(-1);
        }
        q[val] = i;
    }
    reverse(ans.begin(), ans.end());
    for (int i = 0; i < (int)ans.size(); i++) cout << ans[i] << " ";
}