#include <stdio.h>

int main()
{
	int a;

	printf("Unesi broj a_0\n");
	scanf("%d", &a);
	
	while(a != 1)
	{
	    printf("%d\n", a);
	    
	    if (a%2)
	      a = (3*a+1)/2;
	    else
	      a = a/2;
	}
	
	return 0;
}