#include<stdio.h>

int main ( void )
{
	int i, j, n;

	printf ( "段数を入力して下さい:" ) ;
	scanf ( "%d", &n ) ;

	for ( i = 1 ; i <= n ; i++ ){
		for ( j = 0 ; j < i ; j++ ){
			printf ( "%d", i ) ;
		}
		putchar( '\n' ) ;
	}
	return 0 ;	
}