#define LED1 10
#define LED2 7

#define BTN 4

void setup() {
  // put your setup code here, to run once:
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);

pinMode(BTN, INPUT);
}

void loop() {

  int number;

  // put your main code here, to run repeatedly:
/*
if (digitalRead(BTN)){
    digitalWrite(LED1, HIGH);
  } else{
    digitalWrite(LED1, LOW);
  }


for (int i = 0; i < 5; i++){
    digitalWrite(LED1, HIGH);
    delay(150);
    digitalWrite(LED1, LOW);
    delay(150);
}

for (int i = 0; i < 5; i++){
    digitalWrite(LED2, HIGH);
    delay(150);
    digitalWrite(LED2, LOW);
    delay(150);
}
*/

while (!digitalRead(BTN));
digitalWrite(LED1, HIGH);
  delay(150);
while (!digitalRead(BTN));

while (!digitalRead(BTN));
digitalWrite(LED1, LOW);
  delay(150);
while (!digitalRead(BTN));



}