Addition of Three Numbers Using Subroutine in Perl

I wrote this program to ask the user to give three numbers and then the program will compute the sum of three numbers using subroutine using the Perl programming language.

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Program Listing

# pass_value_subroutine.pl

# Author   : Jake R. Pomperada,MAED-IT,MIT

# Date     : April 7, 2020   Tuesday  11:34 AM

# Location : Bacolod City, Negros Occidental

# Email    : jakerpomperada@gmail.com

# Website  : http://www.jakerpomperada.com

print("\n");

# Subroutine to add the two values given 

# by the user.

sub Sum_All {

   $sum = 0;

   foreach $item (@_) {

      $sum += $item;

   }

   printf("\n");

   printf("\tThe sum of %d, %d and %d is %d.",$num1,$num2,$num3,$sum);

   print("\n\n");

   print("\t\tEnd of Program");

   print("\n");

}

sub Addition { 

    print("\tAddition of Three Numbers Using Subroutine in Perl");

    print("\n\n");

    print("\tEnter First Value  : ");

    chomp($num1=<STDIN>);

    print("\tEnter Second Value : ");

    chomp($num2=<STDIN>);

    print("\tEnter Third Value  : ");

    chomp($num3=<STDIN>);

    

    $sum = Sum_All($num1,$num2,$num3);

 } 

# Calling the Subroutine 

Addition();