#include <iostream>
#include <cassert>
#include <vector>
using namespace std;

int main() {
    int N;
    cin >> N;
    assert(1 <= N and N <= 100000);
    vector<long long> A(N + 1);
    for (int i = 0 ; i <= N ; i++) {
        cin >> A[i];
        assert(0 <= A[i] and A[i] <= 100000000);
    }
}