program ct;
uses crt;
var i,n,max:integer;
A:array [1..100] of integer;
begin
clrscr;
write('nhap do dai day so:'); readln(n);
writeln(' nhap cac phan tu cua day so');
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
max:=a[1];
for i:=2 to n do
if max<a[i] then max:=a[i];
writeln('gia tri max',max);
readln;
end.