int led=13;
int led1 =3;
int led2 =2;
int led3 =6;
int led4 =1;
int led5 =12;
void setup() {
  // put your setup code here,to run once:
  pinMode(led,OUTPUT);
  pinMode(led1, 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);
digitalWrite(led1, LOW);
digitalWrite(led2, HIGH);
digitalWrite(led3, LOW);
digitalWrite(led4, HIGH);
digitalWrite(led5, LOW);
delay(1000); //1 sec dealy
digitalWrite(led, LOW);
digitalWrite(led1, HIGH);
digitalWrite(led2, LOW);
digitalWrite(led3, HIGH);
digitalWrite(led4, LOW);
digitalWrite(led5, HIGH);
delay(1000);
}