Addition of Three Numbers Using Subroutine in Perl

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

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My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
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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();