#include <iostream>
using namespace std;
int hailstone (int n) {
if(n == 1){
return 1;
}else if(n%2 != 0) {
n = 3*n + 1;
cout<<n<<", ";
}else{
n = n/2;
if(n!=1)
cout<<n<<", ";
}
return hailstone(n);
}
int main()
{
int N;
cout<<"Escriba un nΓΊmero: ";
cin>>N;
cout<<hailstone(N);
return 0;
}