Var
X:array[1..100] of integer;
i,k:integer;
S:real;
Begin
S:=0;
Write('k = ');ReadLn(k);
Write('Введите массив X[',k,']: ');
For k:= 1 to k do
Read(X[k]);
i:=1;
if X[1]<0 then<br> Begin
While (i<=k)and(X[i]<0) do<br> Begin
S:=S+X[i];
i:=i+1;
End;
End
else
Begin
While (i<=k)and(X[i]>=0) do
Begin
S:=S+X[i];
i:=i+1;
End;
End;
WriteLn('S = ',S);
End.