#include <Servo.h>
#include <Keypad.h>
#include <LiquidCrystal.h>

int a,flag,q,w,e,y,t;

const byte KEYPAD_ROWS = 4;
const byte KEYPAD_COLS = 4;
byte rowPins[KEYPAD_ROWS] = {5, 4, 3, 2};
byte colPins[KEYPAD_COLS] = {A3, A2, A1, A0};
char keys[KEYPAD_ROWS][KEYPAD_COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, KEYPAD_ROWS, KEYPAD_COLS);

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void showStart() {
  lcd.setCursor(2, 0);
  lcd.print("Enter number:");
  delay(1000);
  }

int inputN() {
  lcd.clear();
  lcd.setCursor(2, 1);
  lcd.print("   [___]   ");
  lcd.setCursor(6, 1);
  while (true) {
    int key = keypad.getKey();
    if (key >= '0' && key <= '9') {
      key=key-48;
      lcd.print(key);
      if(flag==0)
      {
        q=key;
        flag=1;
      }
      else if(flag==1)
      {
        w=key;
        flag=2;
      }
      else if(flag==2)
      {
        e=key;
      }
      y=((q*100)+(w*10)+(e));
    }
    if (key == '#'){
      break;
    }
  }
  return 0;
}

void out() {
  while (true) {
    int key = keypad.getKey();
    if (key == '#'){
      break;
    }
  }
  return 0;
}

Servo myservo;

#define SERVO_PIN 6

bool set() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Enter numbber:");
  int newCode = inputN();


}

void ttt(){
  while(true){
    if(y%2==0){
      t++;
    }
    if(y%3==0){
      t++;
    }
    if(y%4==0){
      t++;
    }
    if(y%5==0){
      t++;
    }
    if(y%6==0){
      t++;
    }
    if(y%7==0){
      t++;
    }
    if(y%8==0){
      t++;
    }
    if(y%9==0){
      t++;
    }
    break;
  }
}

void reset() {
  a=0;
  flag=0;
  q=0;
  w=0;
  e=0;
  y=0;
  t=0;
  digitalWrite(A4,LOW);
  digitalWrite(A5,LOW);
}

void setup() {

}


void loop() {
lcd.clear();  
reset();
myservo.attach(SERVO_PIN);
 myservo.write(a);
 showStart();
 inputN();
 ttt();
 a=y/5.55;
   if(t!=0){
 myservo.write(a);
  }
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("N:");
  lcd.setCursor(2, 0);
  lcd.print(y);
  lcd.setCursor(6, 0);
  lcd.print("D:");
  lcd.setCursor(8, 0);
  lcd.print(a);
  lcd.setCursor(12, 0);
  lcd.print("T:");
  lcd.setCursor(14, 0);
  lcd.print(t);
  if(t!=0){
 digitalWrite(A4,HIGH);
  }
   if(t==0){
 digitalWrite(A5,HIGH);
  }
  out();
}