n = int(input())
# i循环n次
for i in range(1, n + 1):
    # j循环了 i次
    for j in range(1, i + 1):
        print(i, end="")
    # 换行
    print()

/**************************************************************
	Problem: 1783
	User: admin
	Language: Python
	Result: Accepted
	Time:97 ms
	Memory:34244 kb
****************************************************************/