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void main(void)
{

// Input/Output Ports initialization
PORTB=0x00; DDRB=0xFF; PORTC=0x00; DDRC=0xFF; PORTD=0x00; DDRD=0xFF;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: 4000,000 kHz
TCCR0=0x01; TCNT0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
TCCR1A=0x00; TCCR1B=0x00; TCNT1H=0x00; TCNT1L=0x00; ICR1H=0x00;
ICR1L=0x00; OCR1AH=0x00; OCR1AL=0x00; OCR1BH=0x00;OCR1BL=0x00;

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00; TCCR2=0x00; TCNT2=0x00; OCR2=0x00;

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
MCUCR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x01;

// USART initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity
// USART Receiver: On
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud rate: 9600
UCSRA=0x00; UCSRB=0x18; UCSRC=0x86; UBRRH=0x00; UBRRL=0x19;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
// Analog Comparator Output: Off
ACSR=0x80; SFIOR=0x00;

// ADC initialization
// ADC Clock frequency: 125,000 kHz
// ADC Voltage Reference: AREF pin
// ADC High Speed Mode: Off
ADMUX=ADC_VREF_TYPE; ADCSRA=0x85; SFIOR&=0xEF;

// Watchdog Timer initialization
// Watchdog Timer Prescaler: OSC/2048k
WDTCR=0x1F; WDTCR=0x0F;

// Global enable interrupts
#asm("sei")

while (1)
      {
#asm("wdr")
      // Place your code here
  #asm
  dec  r23
  mov  r22,r23
metka_1:
  dec  r22
  brne metka_1

  ldi  r22,0xFF
metka_2:
  dec  r22
  brne metka_2

  ldi  r30,0xFF
  out  0x18,r30
  out  0x15,r30
  out  0x12,r30

  mov  r22,r23
metka_3:
  dec  r22
  brne metka_3

  ldi  r22,0xFF
metka_4:
  dec  r22
  brne metka_4

  ldi  r30,0x00
  out  0x18,r30
  out  0x15,r30
  out  0x12,r30
  #endasm
 
       };
}