int pin2=2;
int pin3=3;
int pin4=4;
int pin5=5;
int pin6=6;
int wait=500;
void loop() {
  // put your setup code here, to run once:
pinMode(pin2, OUTPUT);
pinMode(pin3, OUTPUT);
pinMode(pin4, OUTPUT);
pinMode(pin5, OUTPUT);
}

void setup() {
  // put your main code here, to run repeatedly:
//0
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
delay(wait);

//1
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, HIGH);
delay(wait);
//2

digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, LOW);
delay(wait);

//3
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, HIGH);
delay(wait);

//4
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
delay(wait);

//5
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, LOW);
digitalWrite(pin5, HIGH);
delay(wait);

//6
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, LOW);
delay(wait);

//7
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, HIGH);
delay(wait);

//8
digitalWrite(pin2, HIGH);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
delay(wait);

//9
digitalWrite(pin2, HIGH);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, HIGH);
delay(wait);

//10
digitalWrite(pin2, HIGH);
digitalWrite(pin3, LOW);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, LOW);
delay(wait);

//11
digitalWrite(pin2, HIGH);
digitalWrite(pin3, LOW);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, HIGH);
delay(wait);
//12
digitalWrite(pin2, HIGH);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
delay(wait);
//13
digitalWrite(pin2, HIGH);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, LOW);
digitalWrite(pin5, HIGH);
delay(wait);

//14
digitalWrite(pin2, HIGH);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, LOW);
delay(wait);
//15
digitalWrite(pin2, HIGH);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, HIGH);
delay(wait);

//16
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
delay(wait);

//17
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, HIGH);
delay(wait);

//18
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, LOW);
delay(wait);

//19
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, HIGH);
delay(wait);

//20digitalWrite(pin6, HIGH);
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
delay(wait);

//21
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, LOW);
digitalWrite(pin5, HIGH);
delay(wait);

//22
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, LOW);
delay(wait);

//23
digitalWrite(pin6, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
digitalWrite(pin4, HIGH);
digitalWrite(pin5, HIGH);
delay(wait);

//24
digitalWrite(pin6, HIGH);
digitalWrite(pin2, HIGH);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
delay(wait);
}