题目描述
You are given a number n. Print n lines, i-th line should consist of i characters "*". Lines' indices are 1-based.
Input
The only line of input contains an integer n (1 ≤ n ≤ 50).
Output
Output the described pattern.
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分
样例输入
3
样例输出
*
**
***