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


```

#include <stdio.h>

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