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