#include <iostream>
using namespace std;

int main()
{
	cout<<"Hello World";
}

#include <iostream>
using namespace std;

int main()
{
    int i,j,k;

    for(i=1;i<=5;i++)
    {
        k=1;
        for(j=1;j<=9;j++)
        {
            if(j==6-i || j==4+i && k )
            {
                cout<<k;
                k++;
            }
            else
            {   
                if(i==5 && j<=9)
                    {
                        for(k=2;k<=9;k++){
                            cout<<k;
                        }
                        break;
                    }

                else{
                    cout<<" ";
                    }
            }

            
        }
        cout<<endl;
    }
}