#include <iostream>
#include <cstdlib>
#include <windows.h>

using namespace std;

	void gotoxy ( int x, int y)
	{
		COORD coord;
		coord.X = x;
		coord.Y = y;
		SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
	}
int main(int argc, char** argv)
{
 for (int i=0;i<=20;i++)
 {
 	gotoxy (i,i);
 	cout<<"*"<<"\n";
 }
	return 0;
}