А)var
ar:array[1..15] of integer;
s,i:integer;
begin;
for i:=1 to 15 do
begin;
readln(ar[i]);
s:=s+abs(ar[i]);
end;
write(s);
end.
б)var
ar:array[1..15] of integer;
s,i:integer;
begin;
s:=1;
for i:=1 to 15 do
begin;
readln(ar[i]);
s:=s*abs(ar[i]);
end;
write(s);
end.