#include<avr/io.h>
#include<util/delay.h>

int main() {
  DDRB |= (1 << PB3);
  DDRB |= (1 << PB0);
  DDRB |= (1 << PB5);
  DDRB |= (1 << PB1);
  DDRB |= (1 << PB2);
  DDRB |= (1 << PB4);

  while (1) {
    PORTB |= (1 << PB3);
    _delay_ms(150);

    PORTB |= (1 << PB1);
    _delay_ms(190);

    PORTB |= (1 << PB2);
    _delay_ms(250);

    PORTB |= (1 << PB4);
    _delay_ms(110);
   
    PORTB |= (1 << PB0);
    _delay_ms(200);
    
    PORTB |= (1 << PB5);
    _delay_ms(100);

    PORTB &= ~(1 << PB3);
    _delay_ms(150);
    
    PORTB &= ~(1 << PB1);
    _delay_ms(190);

    PORTB &= ~(1 << PB2);
    _delay_ms(250);

    PORTB &= ~(1 << PB4);
    _delay_ms(110);
    
    PORTB &= ~(1 << PB0);
    _delay_ms(200);

    PORTB &= ~(1 << PB5);
    _delay_ms(100);
  }
return 0;

}