bool tam1=0;
bool tam2=0;
bool tam3=0;
bool tam4=0;

void setup() {
  pinMode(14,OUTPUT);
  pinMode(27,OUTPUT);
  pinMode(26,OUTPUT);
  pinMode(25,OUTPUT);
  pinMode(21,INPUT_PULLUP);
  pinMode(19,INPUT_PULLUP);
  pinMode(18,INPUT_PULLUP);
  pinMode(5, INPUT_PULLUP);
}

void loop() {
 
  if (digitalRead(5) == 0 )
  { while (digitalRead(5) == 0 );
    tam1=!tam1;
  }

    if (digitalRead(18) == 0 )
  { while (digitalRead(18) == 0 );
    tam2=!tam2;
  }
    if (digitalRead(19) == 0 )
  { while (digitalRead(19) == 0 );
    tam3=!tam3;
  }
    if (digitalRead(21) == 0 )
  { while (digitalRead(21) == 0 );
    tam4=!tam4;
  }

  if (tam1 == 1 )
{digitalWrite(14, HIGH);} else
  {digitalWrite(14, LOW);}

    if (tam2 == 1 )
{digitalWrite(27, HIGH);} else
  {digitalWrite(27, LOW);}

    if (tam3 == 1 )
{digitalWrite(26, HIGH);} else
  {digitalWrite(26, LOW);}

    if (tam4 == 1 )
{digitalWrite(25, HIGH);} else
  {digitalWrite(25, LOW);}

}