import java.util.Scanner;
import java.io.BufferedReader;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
double []x = new double[100];
for (int i = 0; i < 100; i++) {
x[i] = sc.nextDouble();
if (x[i] <= 10) {
System.out.printf("A[%d] = %.1f\n", i, x[i]);
}
}
}
}