Addition of Three Numbers in Pascal

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

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Sample Program Output

Program Listing

addition.pas

Program Addition;

Uses Crt;

Var sum,a,b,c : integer;

Begin

 clrscr;

 write('Addition of Three Numbers in Pascal');

 writeln;

 writeln;

 write('Enter First Value   : ');

 readln(a);

 write('Enter Second Value  :  ');

 readln(b);

 write('Enter Third Value   :  ');

 readln(c);

 sum := (a+b+c);

 writeln;

 writeln;

 write('The sum of ',a,', ',b,', ',' and ',c,' is ',sum,'.');

 writeln;

 writeln;

 write('End of Program');

 readln;

End.