#include <Keypad.h>
#include <LiquidCrystal.h>
const int rs=11 ,e=12 ,d4=17, d5=16, d6=15 ,d7=14;
LiquidCrystal lcd( rs, e, d4, d5, d6, d7);


const byte ROW=4;
const byte COL=4;
char hexkey[ROW][COL]={
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};
int a=0;
int pass[5];
byte rowpin[ROW]={9,8,7,6};
byte colpin[COL]={5,4,3,2};

Keypad cust=Keypad(makeKeymap(hexkey),rowpin,colpin,ROW,COL);

void setup() {
  lcd.begin(16,2);
  //Serial.begin(9600);
  // put your setup code here, to run once:
lcd.print("hello");
delay(3000);
lcd.clear();
}

void loop() {
  // put your main code here, to run repeatedly:
  
  
//for(int i=0;i<0;i++){


  char chart=cust.getKey();
if(chart!=0){
  
  lcd.setCursor(a,0);
  lcd.print(chart);
  pass[a]=chart;
 
  //Serial.print(pass[i]);
   a++;
}
//}
//for(int i=0;i<5;i++){

 // }
}