#include <iostream>

using namespace std;

double a[100];

int main(void)
{
    for (int i = 0; i < 100; i++) {
        cin >> a[i];
        if (a[i] <= 10) {
            printf("A[%d] = %.1f\n", i, a[i]);
        }
    }
    return 0;
}