c++

#include<stdio.h>
int main()
{
int n;
scanf("%d", &n);
int c = 0;
while (n != 1)
{
if (n % 2 == 1)
{
int sum = n * 3 + 1;
//printf("%d*3+1=%d\n", n,sum);
c++;
n = sum;
}
else
{
int div = n / 2;
//printf("%d/2=%d\n", n, div);
c++;
n = div;
}
}

printf("%d\n", c);
return 0;

}