var a:array[1..15] of integer;   i,s:integer;
begin
for i:=1 to 15 do begin a[i]:=random(71)-25; write(a[i]:4); end;
for i:=1 to 15 do
if a[i]>0 then s:=s+a[i];
writeln;
writeln('s=',s);
end.