// mission.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <vector>

int main()
{
    int counter;
    int sum=0;
    std::cin >> counter;
    std::vector<int> train(counter);
    std::vector<int> result(counter);
    for (int i = 0; i < counter; i++) {
        std::cin >> train[i];
        
    }
    for (int i = 0; i < counter; i++) {
        if (train[i] == 0) {
            result[i] = 1;
            std::cout << result[i] << " ";
            continue;
        }
        for (int j = i; j < counter; j++) {
            result[i]++;
            sum += train[j];
            if (sum % 10 == 0) {
                sum = 0;
                break;
            }
            if (j + 1 == counter) {
                result[i] = -1;
                sum = 0;
            }
        }
        std::cout << result[i] << " ";
    }

}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file