void main() {
int counter=0; //variable which will be used as a counter in the loop
  //1st data declaration
trisb.b0=0;   //yellow leds as outputs
trisb.b5=0;   //Green leds as outputs
trisd.b0=1;   // Push-button as input
//2nd Data control
portb.b0=0;  //yellow leds low
portb.b5=0;  // Green leds low
portd.b0=1;   //pushbutton is low

  while(1) {
         if(portd.b0==0){
         counter++;
         while(portd.b0==0){
         if(counter==1){
         delay_ms(20);
         portb.b0=1;
         delay_ms(70);
         //portb.b0=0;
         }else if(counter==2){
         //portb.b0=0;
         delay_ms(20);
         portb.b5=1;
         delay_ms(70);
         portb.b5=0;
         }else if(counter==3){
         delay_ms(20);
         portb.b0=1;
          portb.b5=1;
         delay_ms(20);
         } else if(counter==4){
         delay_ms(20);
         portb.b0=0;
         portb.b5=0;
         delay_ms(20);
         counter=0;
         }

         }

   }
}

}