int leda=10;
int ledb=9;
int ledc=8;
int ledd=7;
int lede=6;
int btna=11;

int btnstate=0;
void setup() {

   pinMode(leda, OUTPUT);
   pinMode(ledb, OUTPUT);
   pinMode(ledc, OUTPUT);
   pinMode(ledd, OUTPUT);
   pinMode(lede, OUTPUT);
   pinMode(btna, INPUT);
}

void loop() {
  btnstate=digitalRead (btna);
  if(btnstate == HIGH) {
    digitalWrite(leda, HIGH);
    delay(100);
    digitalWrite(leda, LOW);
    delay(200);
    digitalWrite(ledb, HIGH);
    delay(100);
    digitalWrite(ledb, LOW);
    delay(200);
    digitalWrite(ledc, HIGH);
    delay(100);
    digitalWrite(ledc, HIGH);
    delay(100);
    digitalWrite(ledd, LOW);
    delay(200);
    digitalWrite(ledd, HIGH);
    delay(100);
    digitalWrite(lede, LOW);
    delay(200);
    digitalWrite(lede, HIGH);
    delay(100);
 }
  else{
    digitalWrite(leda, LOW);
    digitalWrite(ledb, LOW);
     digitalWrite(ledc, LOW);
     digitalWrite(ledd, LOW);
     digitalWrite(lede, LOW);
    

  }

}