Сбрасывается пароль что делать

/*******************************************************
This program was created by the
CodeWizardAVR V3.12 Advanced
Automatic Program Generator
© Copyright 1998-2014 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
 
Project : Signal
Version : 
Date    : 05.02.2019
Author  : Rogov
Company : Rk
Comments: 
 
 
Chip type               : ATtiny2313
AVR Core Clock frequency: 4,000000 MHz
Memory model            : Tiny
External RAM size       : 0
Data Stack size         : 32
*******************************************************/
 
#include <tiny2313.h>
#include <delay.h>
unsigned int a,b,c;
 
// Declare your global variables here
 
void main(void)
{int k=0, H=0,p=0,m=0,s=0;
// Declare your local variables here
 
// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=(1<<CLKPCE);
CLKPR=(0<<CLKPCE) | (0<<CLKPS3) | (0<<CLKPS2) | (0<<CLKPS1) | (0<<CLKPS0);
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif
 
// Input/Output Ports initialization
// Port A initialization
// Function: Bit2=In Bit1=In Bit0=In 
DDRA=(0<<DDA2) | (0<<DDA1) | (0<<DDA0);
// State: Bit2=T Bit1=T Bit0=T 
PORTA=(0<<PORTA2) | (0<<PORTA1) | (0<<PORTA0);
 
// Port B initialization
// Function: Bit7=Out Bit6=Out Bit5=Out Bit4=Out Bit3=Out Bit2=Out Bit1=Out Bit0=Out 
DDRB=(1<<DDB7) | (1<<DDB6) | (1<<DDB5) | (1<<DDB4) | (1<<DDB3) | (1<<DDB2) | (1<<DDB1) | (1<<DDB0);
// State: Bit7=0 Bit6=0 Bit5=0 Bit4=0 Bit3=0 Bit2=0 Bit1=0 Bit0=0 
PORTB=(0<<PORTB7) | (0<<PORTB6) | (0<<PORTB5) | (0<<PORTB4) | (0<<PORTB3) | (0<<PORTB2) | (0<<PORTB1) | (0<<PORTB0);
 
// Port D initialization
// Function: Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In 
DDRD=(0<<DDD6) | (0<<DDD5) | (0<<DDD4) | (0<<DDD3) | (0<<DDD2) | (0<<DDD1) | (0<<DDD0);
// State: Bit6=P Bit5=P Bit4=P Bit3=P Bit2=P Bit1=P Bit0=P 
PORTD=(1<<PORTD6) | (1<<PORTD5) | (1<<PORTD4) | (1<<PORTD3) | (1<<PORTD2) | (1<<PORTD1) | (1<<PORTD0);
 
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=0xFF
// OC0A output: Disconnected
// OC0B output: Disconnected
TCCR0A=(0<<COM0A1) | (0<<COM0A0) | (0<<COM0B1) | (0<<COM0B0) | (0<<WGM01) | (0<<WGM00);
TCCR0B=(0<<WGM02) | (0<<CS02) | (0<<CS01) | (0<<CS00);
TCNT0=0x00;
OCR0A=0x00;
OCR0B=0x00;
 
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer1 Stopped
// Mode: Normal top=0xFFFF
// OC1A output: Disconnected
// OC1B output: Disconnected
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=(0<<COM1A1) | (0<<COM1A0) | (0<<COM1B1) | (0<<COM1B0) | (0<<WGM11) | (0<<WGM10);
TCCR1B=(0<<ICNC1) | (0<<ICES1) | (0<<WGM13) | (0<<WGM12) | (0<<CS12) | (0<<CS11) | (0<<CS10);
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
 
// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=(0<<TOIE1) | (0<<OCIE1A) | (0<<OCIE1B) | (0<<ICIE1) | (0<<OCIE0B) | (0<<TOIE0) | (0<<OCIE0A);
 
// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// Interrupt on any change on pins PCINT0-7: Off
GIMSK=(0<<INT1) | (0<<INT0) | (0<<PCIE);
MCUCR=(0<<ISC11) | (0<<ISC10) | (0<<ISC01) | (0<<ISC00);
 
// USI initialization
// Mode: Disabled
// Clock source: Register & Counter=no clk.
// USI Counter Overflow Interrupt: Off
USICR=(0<<USISIE) | (0<<USIOIE) | (0<<USIWM1) | (0<<USIWM0) | (0<<USICS1) | (0<<USICS0) | (0<<USICLK) | (0<<USITC);
 
// USART initialization
// USART disabled
UCSRB=(0<<RXCIE) | (0<<TXCIE) | (0<<UDRIE) | (0<<RXEN) | (0<<TXEN) | (0<<UCSZ2) | (0<<RXB8) | (0<<TXB8);
 
// Analog Comparator initialization
// Analog Comparator: Off
// The Analog Comparator's positive input is
// connected to the AIN0 pin
// The Analog Comparator's negative input is
// connected to the AIN1 pin
ACSR=(1<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
// Digital input buffer on AIN0: On
// Digital input buffer on AIN1: On
DIDR=(0<<AIN0D) | (0<<AIN1D);
 
 
while (1)
      {
      if(k==0){PORTB.2=1;
      PORTB.0=0;
      PORTB.1=0;
      PORTB.3=0;
      H=0;};
      while(PIND.4==0){ // Здесь начинается функция изменения пароля при котором зажата кнопка 4
      if(PIND.0==a){s++;}; if(PIND.1==b){s++;}; if( PIND.2==c){s++;};if(s==3)m=1;// Здесь считывается предыдущий пароль, если пароль верен то начинается задержка для нажатия нового пароля. 
      while(m==1){
      PORTB.4=1;
      delay_ms(5000);
      if(PIND.0==0)a=0;else a=1;// Здесь начинается запись кнопок в переменные А, Б, С.
      if(PIND.1==0)b=0;else b=1;
      if(PIND.2==0)c=0;else c=1;
      PORTB.4=0;
      p=0;
      m=0;}}
      
      while(PIND.3!=0)//НЕ НАЖАТА
      {if(PIND.4==0)p++;
      PORTB.2=0;
      PORTB.0=1;
      k++;
      while(k==1){if(PIND.0==a && PIND.1==b && PIND.2==c){k=0;}else{k++;}}
      while(k==2){
      k1:
      PORTB.0=0;
      PORTB.1=1;
      PORTB.3=~PORTB.3;
      delay_us(500);
 
      if(PIND.0==0 && PIND.1==0 && PIND.2==0){k=0;}else{goto k1;}
      };
      
      }
 
      }
}