int led=5;
int buttong=3;
int buttonr=4;

void setup(){
  pinMode(led,OUTPUT);
  pinMode(buttonr,INPUT_PULLUP);
  pinMode(buttong, INPUT);
  digitalWrite(led,HIGH);
}


void loop(){
  static bool m;
  if(digitalRead(buttong)==LOW){
    m=LOW;
  }
  else if(digitalRead(buttonr)==LOW){
    m=HIGH;
  }
  if (m==LOW){
    digitalWrite(led,LOW);
    delay(300);
    digitalWrite(led,HIGH);
    delay(300);
  }


}