const int LedPinGreen = 11;
const int LedPinRed = 10;
const int Button = 12;
boolean ReadValue;
boolean LastValue;
int counter=0;

void setup()
{
pinMode (LedPinGreen, OUTPUT);
pinMode (LedPinRed, OUTPUT);
pinMode (Button, INPUT);
Serial.begin (9600);
}

boolean debounce(boolean last)
{
  boolean current = digitalRead(Button);
  if (last != current)
  {
    delay(5);
    current = digitalRead(Button);
  }
  return current;
}

void loop()
{
  ReadValue = debounce (LastValue);
  if (LastValue == LOW && ReadValue ==HIGH)
  {
    counter++;
    Serial.println(counter);
  }
  if (counter== 1||counter == 4)
{

digitalWrite (LedPinRed, HIGH);
digitalWrite (LedPinGreen, LOW);

}
if (counter==2)
{digitalWrite (LedPinRed, LOW);
digitalWrite (LedPinGreen, HIGH);
}

if (counter == 3)

{
digitalWrite (LedPinRed, HIGH);
digitalWrite (LedPinGreen, HIGH);
}

if (counter == 5)

{
digitalWrite (LedPinRed, LOW);
digitalWrite (LedPinGreen, LOW);
counter=0;
}
LastValue = ReadValue;
}