public class Driver
{
	public static void main(String[] args)
	{
		//The number of iterations you want to do
		int loop = 6;
		
		for(int i = 1 ; i <= loop  ; i++)
		{
		
			for(int y = 1 ; y <= i ; y++)
			{
				System.out.print(y+" ");
			}
		
			System.out.println();		
					
		}
			
	}
	
}