uses crt;
var a: array[1..100] of integer;
i,n,max: integer;
begin
clrscr;
write ('nhap n: '); readln (n);
for i:=1 to n do
begin
write ('nhap a[',i,']: '); readln (a[i]);
if max<a[i] then max:=a[i];
end;
writeln ('so lon nhat la: ',max);
readln;
end.