const int nani = 7;
const int baka = 6;
const int sukuna = 5;

void setup(){
  pinMode(nani , OUTPUT);
  pinMode(baka , OUTPUT);
  pinMode(sukuna , OUTPUT);
}

void loop(){
  digitalWrite(nani , HIGH);
  delay(1000);
  digitalWrite(nani, LOW);
  delay(700);
  digitalWrite(sukuna , HIGH);
  delay(700);
  digitalWrite(sukuna ,LOW);
  delay(700);
  digitalWrite(baka , HIGH);
  delay(700);
  digitalWrite(baka , LOW);
  delay(700);
}