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

int main() {
    int n;
    if (!(cin >> n)) {
        cout << "Invalid input";
        return 0;
    }

    vector<double> transactions;
    double val;

    for (int i = 0; i < n; i++) {
        if (!(cin >> val)) {
            cout << "Invalid input";
            return 0;
        }
        transactions.push_back(val);
    }

    if (!(cin >> val)) {
        cout << "Invalid input";
        return 0;
    }
    transactions.push_back(val);

    for (int i = 0; i < transactions.size(); i++) {
        cout << transactions[i];
        if (i != transactions.size() - 1) cout << " ";  // add space between numbers
    }
    return 0;
}