nloop1

#include <iostream>

using namespace std;

main()
{
	int a, b;

	for (a=1; a <= 8; a++){
		for (b=1; b <= a; b++){
			cout << a;
		}

		cout << "\n";
	}
}

/**
1
22
333
4444
55555
666666
7777777
88888888
**/