#define F_CPU 16000000UL
#include <avr/io.h>
#include <util/delay.h>

int main(void) {
  DDRB |= (1 << DDB5); //pinMode(13, OUTPUT);
  DDRD &= ~(1<< DDD2); //pinMode(2, INPUT);
  while (1) {
    if ((PIND & (1 << PIND2)) == (1 << PIND2))
      PORTB |= (1 << PORTB5);
    else
      PORTB &= ~(1 << PORTB5);
    _delay_ms(50);
  }
}