#include <stdio.h>
#include <conio.h>
#include <iostream.h>
#include <string.h>
#include <math.h>
#define e 2.718281
main()
{
 int t,i;
float x,y;



for(t=-50;t<=1;t++) {
  y= pow(e,(-0.1*t))* (sin((0.5)*t));
  //cout<<"y("<<t<<")"<<y;
  for (i=1;i<=y;i++) {
      cout<<" ";
  }
  cout<<"*\n";
}


   getch();
  }