int red =13;
int green =12'
int button =11;
int button state=0;

void setup() {
  // put your setup code here, to run once:
  pinmode(red,output);
  pinmode(green,output);
  pinmode(button,input); 
 }

void loop() {
  // put your main code here, to run repeatedly:
  buttonstate= digitalRead(button); 

  if(button state==1);
  {
    digitalWrite(red, HIGH);
    digitalRead(green,HIGH);
  }
  else if(button state==0)
  {
    digitalWrite(red,low);
    digitalWrite(green,low);
  }

}