program bai_giai;
uses crt;
var f:text;
A:array[1..100] of integer;
n,i,max:integer;
begin
clrscr;
Assign(f,'ketqua.txt'); rewrite(f);
write('Nhap n (n<=100): '); readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,': '); readln(A[i]);
end;
max:=A[1];
for i:=2 to n do
if A[i]>max then max:=A[i];
writeln(f,max);
for i:=1 to n do
if A[i]=max then write(i,' ');
close(f);
end.