#include <avr/io.h>
#include <util/delay.h>
int main(void){
  DDRD |= (1 << DDD5);
  DDRB |= (1 << DDB2);
  while(1){
    PORTD &= ~(1 << PORTD5);
    PORTB &= ~(1 << PORTB2);
    _delay_ms(1000);
    PORTD |= (1 << PORTD5);
    _delay_ms(1000);
    PORTB |= (1 << PORTB2);
    PORTD &= ~(1 << PORTD5);
    _delay_ms(1000);
    PORTD |= (1 << PORTD5);
    _delay_ms(1000);
  }
}