#include<iostream>
using namespace std;
int main()
{
    double n;
    for(int i=0;i<100;i++)
    {
        cin>>n;
        cout.setf(ios_base::fixed);
        cout.precision(1);
        if(n<=10) cout<<"A["<<i<<"] = "<<n<<endl;
    }
    return 0;
}