uses crt;
var a:array[1..100]of integer;
n,i,max,min,dem,kt,j:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{------------------------------so-lon-nhat-so-nho-nhat----------------------}
max:=a[1];
min:=a[1];
for i:=1 to n do
begin
if max<a[i] then max:=a[i];
if min>a[i] then min:=a[i];
end;
writeln('so lon nhat la: ',max);
writeln('so nho nhat la: ',min);
{-----------------------------xuat-so-luong-phan-tu-chan--------------------}
dem:=0;
for i:=1 to n do
if a[i] mod 2=0 then inc(dem);
writeln('so luong phan tu chan trong day la: ',dem);
{-----------------------------xuat-cac-phan-tu-la-so-ngto------------------}
writeln('cac so nguyen to trong day la:');
for i:=1 to n do
if a[i]>1 then
begin
kt:=0;
for j:=2 to trunc(sqrt(a[i])) do
if a[i] mod j=0 then kt:=1;
if kt=0 then write(a[i]:4);
end;
readln;
end.
