#include<iostream>
#include<math.h>
#include<stdlib.h>
using namespace std;
int main()
{ system("color 3E");
double y;
int x,m;
for(y=1;y>=-1;y-=0.1)
{
m=acos(y)*10;
cout<<m;
for(x=1;x<m;x++)
cout<<" ";
cout<<"*";
for(;x<62-m;x++)
cout<<" ";
cout<<"*"<<endl;}
return 0;
}