program qwe;
const
n = 10;
var
a: array [1 .. n] of integer;
i, s: integer;
begin
randomize;
for i := 1 to n do
begin
a[i] := random(10);
writeln(a[i]);
end;
i := 1;
s := 1;
while i <= n do
begin
s := s * a[i];
i := i + 2;
end;
writeln('s=', s);
end.