const int buttonred = 2;
const int buttongreen = 3;
const int ledred[] = {13, 12, 11, 10};
const int ledgreen[] = {9, 8, 7, 6};
const int numled = 4;
int ligaledred = 0;
int ligaledgreen = 0;
int i;

void setup()
{
  pinMode(ledred[i], OUTPUT);
    for(int i = 0; i < numled; i++)
    {
      pinMode(ledred[i], OUTPUT);
    }
    pinMode(ledgreen[i], OUTPUT);
      for(int i = 0; i < numled; i++)
      {
        pinMode(ledgreen[i], OUTPUT);
      }
        pinMode(buttonred, INPUT_PULLUP);
        pinMode(buttongreen, INPUT_PULLUP);
}
void loop()
{
  if(digitalRead(buttonred) == LOW && ligaledred==0)
  {
  ligaledred = 1;
  for(int i = 0; i < numled; i++)
  {
  digitalWrite(ledred[i], HIGH);
  delay(300);
  }
  }
    if(digitalRead(buttonred)==LOW && ligaledred==1)
    {
      ligaledred = 1;
      for (int i = 0; i < numled; i++)
    {
      digitalWrite(ledred[i], LOW);
      delay(100);
    }
    }
    if(digitalRead(buttongreen) == LOW && ligaledgreen==0)
   {
   ligaledgreen = 1;
   for(int i = 0; i < numled; i++)
    {
      digitalWrite(ledgreen[i], HIGH);
      delay(300);
   }
   }
    if(digitalRead(buttongreen)==LOW && ligaledgreen==1)
    {
      ligaledgreen = 1;
      for (int i = 0; i < numled; i++)
    {
      digitalWrite(ledgreen[i], LOW);
      delay(100);
    }
    }
}