#include <iostream>
using namespace std;
int main() {
int n;
cin >> n;
int numbers[n];
for (int i = 0; i < n; ++i) {
cin >> numbers[i];
}
for (int i = n - 1; i >= 0; --i) {
numbers[i] *= 2;
cout << numbers[i] << ' ';
}
return 0;
}
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