ADA Program to find the sum of two integer number

Program

With Gnat.IO; use Gnat.IO;
procedure addtwointeger is
	a : Integer;
	b : Integer;
	sum : Integer;
begin
	Put ("Enter value of a: ");
	Get (a);
	Put ("Enter value of b: ");
	Get (b);
	sum := a + b;
	Put_Line ("Sum = " & integer'image(sum));
end;

Output

$ gnat make addtwointeger.adb
gcc -c addtwointeger.adb
gnatbind -x addtwointeger.ali
gnatlink addtwointeger.ali
$ ./addtwointeger
Enter value of a: 65
Enter value of b: 14
Sum =  79