#include <iostream>
using namespace std;

int main() 

{
    int arr[6];
    for(int i=0;i<6;i++)
{
    cin>>arr[i];
}
    cout<<"["<<arr[0]<<", "<<arr[1]<<", "<<arr[2]<<", "<<arr[3]<<", "<<arr[4]<<", "<<arr[5]<<"]"<<endl;

    for(int j=0;j<3;j++)
    {
        int x=arr[j];
        arr[j]=arr[5-j];
        arr[5-j]=x;
    }
    cout<<"["<<arr[0]<<", "<<arr[1]<<", "<<arr[2]<<", "<<arr[3]<<", "<<arr[4]<<", "<<arr[5]<<"]"<<endl;

    return 0;
}