void main()
{
     TRISA.F0 = 1 ;  //PORT A0 INPUT (SENSOR A)
     TRISA.F1 = 1 ;  //PORT A1 INPUT (SENSOR B)
     TRISA.F2 = 1 ;  //PORT A2 INPUT (SENSOR C)
     TRISA.F3 = 0 ;  //PORT A3 OUTPUT (SOUND)
     TRISB    = 0 ; // ALL PORT B IS OUTPUT  "FOR MOTERS CONTROL"
     PORTA    = 0;
     PORTB    = 0;
     Delay_ms(1000);
     while (1)
       {
        PORTA.F3 = 0 ;
        PORTB    = 0 ;
        while (PORTA.F0==0 && PORTA.F1==0 && PORTA.F2==0)
              {
               PORTB=0B00000010 ; Delay_ms(1000);
              }
        PORTA.F3 = 0 ;
        PORTB    = 0 ;
        while(PORTA.F0==1 && PORTA.F1==1 && PORTA.F2==1)
              {
               PORTA.F3 = 1 ; Delay_ms(1000);
              }
        PORTA.F3 = 0 ;
        PORTB    = 0 ;
        while(PORTA.F0==1 && PORTA.F1==1)
               {
                PORTB=0B00000100 ; Delay_ms(1000);
               }
        PORTA.F3 = 0 ;
        PORTB    = 0 ;
        while(PORTA.F0==1)
               {
                PORTB=0B00001010 ; Delay_ms(1000);
               }
        PORTA.F3 = 0 ;
        PORTB    = 0 ;
        while(PORTA.F1==1)
               {
                PORTB=0B00010010 ; Delay_ms(1000);
               }
       }
}