Implement a $4$ digit key press counter

Problem Statement:

Implement a $4$ digit key press counter.

Output Requirement:

Implement a $4$ digit key press counter

On every key press counter value should increment by $1.$

On a long key press $(2$ seconds$),$ count should reset to zero.

Inputs:

DKS$1($Digital Keypad Switch $1)$as Count Input$$

DKS$1$ long press$(2$ secs$)$ to reset the count$$ PIC$16$F$877$A MPLAB XC$8$