#include <iostream>
using namespace std;
int main() {
int n = 20;
int index = 20;
double arr[index];
double data;
while (n--) {
cin >> data;
arr[n] = data;
}
for (int i = 0; i < index; i++) {
cout << "N[" << i << "] = " << arr[i] << endl;
}
return 0;
}