/*
  Blink
  Turns on an LED on for one second, then off for one second, repeatedly.

  This example code is in the public domain.
*/

// defining pins to conatant variables
#define redLED 6
#define yellowLED 13
#define start 2

int pbState;  //reads the state of the push button

void setup()
{
  // initialize the digital pin as an output.
  // Pin 6 has an LED connected on most Arduino boards:
  pinMode(redLED, OUTPUT);
  pinMode(yellowLED, OUTPUT);
  pinMode(start, INPUT);
}

void loop()
{
  pbState = digitalRead(start);   //read the state pf push button in pin 2 to pbState

  if (pbState == 1)               //if button is pressed, Red LED glows
  {
    digitalWrite(redLED, HIGH);   // set the LED on
    delay(1000);                  // wait for a second
    digitalWrite(redLED, LOW);    // set the LED off
    delay(1000);                  // wait for a second

  }
  else                           //if button is releases, yellow LED glows
  {
    digitalWrite(yellowLED, HIGH);   // set the LED on
    delay(1000);                     // wait for a second
    digitalWrite(yellowLED, LOW);    // set the LED off
    delay(1000);                     // wait for a second
  }
}