#include <Arduino.h>

const int LED1 =4;
const int LED2 =5;
const int LED3 =6;
const int LED4 =7;
const int LED5 =19;
const int LED6 =18;

void setup() {
pinMode(LED1,OUTPUT);
pinMode(LED2,OUTPUT);
pinMode(LED3,OUTPUT);
pinMode(LED4,OUTPUT);
pinMode(LED5,OUTPUT);
}
void loop() {
 digitalWrite(LED1,HIGH);
 delay(1000);
 digitalWrite(LED1,LOW);
 delay(1000);

 digitalWrite(LED2,HIGH);
 delay(1000);
 digitalWrite(LED2,LOW);
 delay(1000);

 digitalWrite(LED3,HIGH);
 delay(1000);
 digitalWrite(LED3,LOW);
 delay(1000);

 digitalWrite(LED4,HIGH);
 delay(1000);
 digitalWrite(LED4,LOW);
 delay(1000);

 digitalWrite(LED5,HIGH);
 delay(1000);
 digitalWrite(LED5,LOW);
 delay(1000);
}