#include <avr/io.h>

#define BUTTON_PIN 5 // Define the button pin
#define LED_PIN 5    // Define the LED pin

int main(void) {
    // Set PD5 as input (button pin)
    //DDRD &= ~(1 << BUTTON_PIN);
    DDRD = 0x00;
    
    // Enable pull-up resistor on PD5
    //PORTD |= (1 << BUTTON_PIN);
    PORTD = 0x20;

    // Set PB5 as output (LED pin)
   // DDRB |= (1 << LED_PIN);
    DDRB = 0x20;


    while (1) {
        // Read the state of PD5 (button)
        if (PIND & (1 << BUTTON_PIN)){
            // Button is not pressed, turn off the LED
            PORTB &= ~(1 << LED_PIN);
        } else {
            // Button is pressed, turn on the LED
            PORTB |= (1 << LED_PIN);
        }
    }

    return 0;
}