int Aled=13;
int Bled=12;
int Cled=11;
int Dled=10;
int Eled=9;
int Fled=8;
int Gled=7;
int Hled=6;
int Iled=5;
int Jled=4;
int Kled=4;
int Lled=2;
int Mled=1;

void setup() {
  // put your setup code here, to run once:
Serial.begin (9600);
Serial.println("Merry Chrismas and a Happy New Year!");

pinMode(Aled, OUTPUT);
pinMode(Bled, OUTPUT);
pinMode(Cled, OUTPUT);
pinMode(Dled, OUTPUT);
pinMode(Eled, OUTPUT);
pinMode(Fled, OUTPUT);
pinMode(Gled, OUTPUT);
pinMode(Hled, OUTPUT);
pinMode(Iled, OUTPUT);
pinMode(Jled, OUTPUT);
pinMode(Kled, OUTPUT);
pinMode(Lled, OUTPUT);
pinMode(Mled, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  A_led();
  B_led();
  C_led();
  D_led();
  E_led();
  F_led();
  G_led();
  H_led();
  I_led();
  J_led();
  K_led();
  L_led();
  M_led();
  delay(1);
  



}

void A_led(){
digitalWrite (Aled, HIGH);
delay (50);
digitalWrite (Aled, LOW);
delay (50);
}

void B_led(){
digitalWrite (Bled, HIGH);
delay (50);
digitalWrite (Bled, LOW);
delay (50);
}

void C_led(){
digitalWrite (Cled, HIGH);
delay (50);
digitalWrite (Cled, LOW);
delay (50);
}

void D_led(){
digitalWrite (Dled, HIGH);
delay (50);
digitalWrite (Dled, LOW);
delay (50);
}

void E_led(){
digitalWrite (Eled, HIGH);
delay (50);
digitalWrite (Eled, LOW);
delay (50);
}

void F_led(){
digitalWrite (Fled, HIGH);
delay (50);
digitalWrite (Fled, LOW);
delay (50);
}

void G_led(){
digitalWrite (Gled, HIGH);
delay (50);
digitalWrite (Gled, LOW);
delay (50);
}

void H_led(){
digitalWrite (Hled, HIGH);
delay (50);
digitalWrite (Hled, LOW);
delay (50);
}

void I_led(){
digitalWrite (Iled, HIGH);
delay (50);
digitalWrite (Iled, LOW);
delay (50);
}

void J_led(){
digitalWrite (Jled, HIGH);
delay (50);
digitalWrite (Jled, LOW);
delay (50);
}

void K_led(){
digitalWrite (Kled, HIGH);
delay (50);
digitalWrite (Kled, LOW);
delay (50);
}

void L_led(){
digitalWrite (Lled, HIGH);
delay (50);
digitalWrite (Lled, LOW);
delay (50);
}

void M_led(){
digitalWrite (Mled, HIGH);
delay (50);
digitalWrite (Mled, LOW);
delay (50);
}