#include<iostream>
using namespace std;
int main()
{
unsigned n = 0;
cin >> n;
unsigned char count = 0;
while (1 != n)
{
count += 1;
if (0 == n % 2)
{
n = n / 2;
}
else
{
n = (3 * n + 1) / 2;
}
}
cout << static_cast<int>(count);
cin.ignore();
return 0;
}
网友评论