#include<stdio.h>
int main()
{
    double number;
    scanf("lf", &number);
    printf("%.1f\n", number);
    printf("%.2f\n", number);
    printf("%.3f\n", number);
    printf("%.4f\n", number);
    printf("%.5f\n", number);
    printf("%.6f\n", number);
    return 0;
}