pat第一题

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