const
n=10;
var
i,k,t:integer;
a:array[1..n] of integer;
begin
for i:=1 to n do
begin
a[i]:=10-random(20);
write(' ',a[i]:3);
end;
writeln();
writeln('-------');
for i:=1 to n do {последний элемент}
if a[i] < 0 then
k:=i;
writeln(k);
for i:=n downto 1 do {первый элемент}
if a[i] < 0 then
t:=i;
writeln(t);
writeln('-------');
end.