#include <stdio.h>
#include <stdlib.h>
#define TRIM	1
#define TOP	3
#define N	100000
#define TRIES	TOP*N

int v[TOP];

int my_random(int n);
int main(int arch, char **argv)
{

	int i,j;
	int prize, choose1, choose2, choose, del;
	int winkeep=0, winchange=0;

	for( i=0; i < TRIES; i++)
	{

	prize=my_random(TOP);
	choose1=my_random(TOP);

	if ( prize==choose1 )
	{
		del= (choose1 + 1 ) % TOP;
	}
	else if ((( choose1 + 1 ) % TOP ) == prize )
	{
		del = (choose1 + 2 ) % TOP;
	}
	else
	{
		del= (choose1 + 1 ) % TOP;
	}

	choose2 =  (choose1 + 1 ) % TOP;
	if ( choose2 == del )
	{
		choose2  =  (choose1 + 1 ) % TOP;
	}

	if ( 0 == my_random(2))
	{
		choose=choose2;
		if ( choose == prize )
		{
			winchange++;
		}
	}
	else
	{
		choose=choose1;
		if ( choose == prize )
		{
			winkeep++;
		}
	}

	printf("%0.2d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",i,
			prize, choose1, choose2, choose, winchange, winkeep);
	}
	return 0;
}

/* return values so 0 <= x < n */
#if defined(TRIM)
int my_random(int n)
{
	int value,aux;

	if((n<=0)||(n>RAND_MAX)) return(-1);
	aux= RAND_MAX - ( RAND_MAX % n + 1 ) % n;

	do
		value=rand();
	while( value > aux);


	return(value%n);
}
#elif defined(MOD)
int my_random(int n)
{
	return ( rand() % n); 
}
#endif