double led;
void setup() {
  led= 0;
  pinMode(15, INPUT);
  pinMode(19, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(5, OUTPUT);
}

void loop(){

if(((digitalRead(15))==(1))){
while(!(!(((digitalRead(15))==(1)))))
{
_loop();
}
if(((led)==(0))){
digitalWrite(19,0);
digitalWrite(18,0);
digitalWrite(5,0);
}
_delay(0.1);
led += 1;
if(((led)==(1))){
digitalWrite(19,1);
digitalWrite(18,0);
digitalWrite(5,0);
delay(5000);
digitalWrite(19,0);
digitalWrite(18,1);
digitalWrite(5,0);
delay(2000);
digitalWrite(19,1);
digitalWrite(18,1);
digitalWrite(5,0);
delay(3000);
digitalWrite(19,0);
digitalWrite(18,0);
digitalWrite(5,1);
delay(3000);
digitalWrite(19,0);
digitalWrite(18,0);
digitalWrite(5,0);
led = 0;
}

}

_loop();
}

void _delay(float seconds){
long endTime = millis() + seconds * 1000;
while(millis() < endTime)_loop();
}

void _loop(){

}