/CQUA - Chia quà

              Program asdsderfedf;
        var     h,i,j:byte;
                s:array[100..200] of 0..100;
                begin
                    read(h);
                    for i:=1 to h do begin
                        read(j);
                        inc(s[j]);
                    end;
                    if ((s[100]=0) and (s[200] mod 2=1))
                    or (s[100] mod 2=1) then
                        writeln('NO')
                    else
                        writeln('YES');
                end.