How to Print a running Fan in C++ using functions

#include<iostream>
using namespace std;
void fun()
{
cout<<"            *    "<<endl;
cout<<"            *    "<<endl;
cout<<"          *****  "<<endl;
cout<<"            *    "<<endl;
cout<<"            *    "<<endl;
system cls();

}
void fun2()
{
cout<<"          *   *"<<endl;
cout<<"           * * "<<endl;
cout<<"            *  "<<endl;
cout<<"           * * "<<endl;
cout<<"          *   *"<<endl;
system cls();
}
main()
{
while(1)
{
fun();

for (int i = 0; i < 100000000; i++)
{
}
fun2();

for (int i = 0; i < 100000000; i++)
{
}
}



}