#define led 13
#define led2  12
#define led3  11
#define led4  10
#define led5  9
void setup() {
  // put your setup code here, to run once:
pinMode (led,OUTPUT);
pinMode (led2,OUTPUT);
pinMode (led3 ,OUTPUT);
pinMode (led4 ,OUTPUT);
pinMode (led5 ,OUTPUT);
}
void loop() {
  // put your main code here, to run repeatedly:
digitalWrite (led, HIGH);
delay(600);
digitalWrite (led,LOW);
delay(600);
digitalWrite (led2 , HIGH);
delay(600);
digitalWrite (led2 ,LOW);
delay(600);
digitalWrite (led3 , HIGH);
delay(600);
digitalWrite (led3 ,LOW);
delay(600);
digitalWrite (led4 , HIGH);
delay(600);
digitalWrite (led4,LOW);
delay(600);
digitalWrite (led5 , HIGH);
delay(600);
digitalWrite (led5 ,LOW);
delay(600);
digitalWrite (led4 , HIGH);
delay(600);
digitalWrite (led4 ,LOW);
delay(600);
digitalWrite (led3 , HIGH);
delay(600);
digitalWrite (led3  ,LOW);
delay(600);
digitalWrite (led2 , HIGH);
delay(600);
digitalWrite (led2 ,LOW);
delay(600);
digitalWrite (led, HIGH);
delay(600);
digitalWrite (led,LOW);
delay(600);
digitalWrite (led,LOW);

}