#include <bits/stdc++.h>

using namespace std;

vector <int> costlyIntervals(int n, int k, vector <int> A) {
    // Retuarn a list of length n consisting of the answers
    for(int i =0 ;i<n;i++){
        A[i]=-1;
    }
    return A;
}

int main() {
    int n;
    int k;
    cin >> n >> k;
    vector<int> A(n);
    for(int A_i = 0; A_i < n; A_i++){
       cin >> A[A_i];
    }
    vector <int> result = costlyIntervals(n, k, A);
    for (ssize_t i = 0; i < result.size(); i++) {
        cout << result[i] << (i != result.size() - 1 ? "\n" : "");
    }
    cout << endl;


    return 0;
}