Const
N = 13;
Var
A:array[1..N] of integer;
i:integer;
Begin
Randomize;
For i:= 1 to N do
Begin
A[i]:=random(21)-10;
Write(A[i],' ')
End;
WriteLn;
i:=1;
While i <= N do<br> Begin
Write(A[i],' ');
i:=i+2;
End;
WriteLn;
i:=2;
While i <= N do<br> Begin
Write(A[i],' ');
i:=i+2;
End;
End.