#include "RCX_RTE.h"
#define msCount 100

void delay(int16 ms,int16 out) 
{
  int16 i;
  while( ms > 0){
     for(i=0; i<msCount; i++);
     ms--;
     lcd_show_int16(out);
  }
  RCX_Reset();
}

int16 gcd(int16 x, int16 y) 
{
    while ( x != y )
     { if ( x < y )
         { y=y-x; }
       else
	 { x=x-y; }
     }
   return x;
}	

void _start(void) 
{ 
  delay(1000, gcd(12,4));
}