#include <cstdio>
int f(int n)
{
printf("%d\n",n);
if(n==1)
return 0;
if(n%2!=0)
return f(3*n+1);
else
return f(n/2);
}
int main()
{
int n;
scanf("%d",&n);
f(n);
return 0;
}
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