void setup() {
  // put your setup code here, to run once:

pinMode(2, OUTPUT );
pinMode(3, INPUT_PULLUP );
pinMode(4, INPUT_PULLUP) ;
  pinMode(5, INPUT_PULLUP);
      pinMode(6, INPUT_PULLUP);
    pinMode(7, OUTPUT)    ;
  pinMode(8, OUTPUT);
    pinMode(9, OUTPUT);



}

void loop() {
  // put your main code here, to run repeatedly:
if (digitalRead(3)==LOW ){

  digitalWrite(2, HIGH);

}
if(digitalRead(4)==LOW ){

digitalWrite(7, HIGH);
}
if (digitalRead(5)==LOW )

{  

digitalWrite(8, HIGH);

}
if( digitalRead(6)==LOW )
{

digitalWrite (9, HIGH);


}

else {
digitalWrite(2,LOW );
digitalWrite (7,LOW );
digitalWrite (8, LOW );
digitalWrite(9, LOW );

}

}