#define m 0
#define m1 1
#define m2 2
#define m3 3
#define m4 4
#define m5 5
#define m6 6
#define m7 7

void setup() {
  // put your setup code here, to run once:

pinMode(m , OUTPUT);
pinMode(m1, OUTPUT);
pinMode(m2, OUTPUT);
pinMode(m3, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
 digitalWrite(m, HIGH);
  delay(40);
 digitalWrite(m, LOW);
 delay(40);
 
 digitalWrite(m1, HIGH);
 delay(40);
 digitalWrite(m1, LOW);
 delay(40);

 digitalWrite(m2, HIGH);
 delay(40);
 digitalWrite(m2, LOW);
 delay(40);

 digitalWrite(m3, HIGH);
 delay(40);
 digitalWrite(m3, LOW);
 delay(40);

  digitalWrite(m4, HIGH);
 delay(40);
 digitalWrite(m4, LOW);
 delay(40);

 digitalWrite(m5, HIGH);
 delay(40);
 digitalWrite(m5, LOW);
 delay(40);

 digitalWrite(m6, HIGH);
 delay(40);
 digitalWrite(m6, LOW);
 delay(40);

 digitalWrite(m7, HIGH);
 delay(40);
 digitalWrite(m7, LOW);
 delay(40);

 digitalWrite(m6, HIGH);
 delay(40);
 digitalWrite(m6, LOW);
 delay(40);

 digitalWrite(m5, HIGH);
 delay(40);
 digitalWrite(m5, LOW);
 delay(40);

 digitalWrite(m4, HIGH);
 delay(40);
 digitalWrite(m4, LOW);
 delay(40);

 digitalWrite(m3, HIGH);
 delay(40);
 digitalWrite(m3, LOW);
 delay(40);

 digitalWrite(m2, HIGH);
 delay(40);
 digitalWrite(m2, LOW);
 delay(40);

 digitalWrite(m1, HIGH);
 delay(40);
 digitalWrite(m1, LOW);
 delay(40);
}