Program Pencari Biaya Dan Grade

uses crt;
var
nilai:byte;
begin
clrscr;
Write('masukkan Nilai anda =');Readln(nilai);

if nilai>0 then
begin
Writeln('GRADE = O ');
Writeln('Besar biaya = Rp.550000');
end
else

if nilai<=1 then begin Writeln('GRADE = E '); Writeln('Besar biaya = Rp.450000'); end else if nilai<=40 then begin Writeln('GRADE = D'); Writeln('Besar biaya = Rp.350000'); end else if nilai<=60 then begin Writeln('GRADE = C'); Writeln('Besar biaya = Rp.250000'); end Else if nilai<=70 then begin Writeln('GRADE = B'); Writeln('Besar biaya = Rp.150000'); end else begin If nilai >=100 then
Writeln('GRADE = A');
Writeln('Besar biaya = Rp.50000');
end;
readln;
end.