subrange variables pascal
program exSubrange;
var
marks: 1 .. 100;
grade: 'A' .. 'E';
begin
writeln( 'Enter your marks(1 - 100): ');
readln(marks);
writeln( 'Enter your grade(A - E): ');
readln(grade);
writeln('Marks: ' , marks, ' Grade: ', grade);
end.