#include<iostream>
using namespace std;
int main()
{
int i, j, cnt;
cout<<"\n Enter Number of Rows : ";
cin>>cnt;
cout<<"\n";
for(i=0; i<cnt; i++)
{
for(j=0; j<=i; j++)
{
cout<<" * ";
}
cout<<"\n";
}
return 0;
}