急！有用申根+5天transit visa去过罗马尼亚的筒子吗

i have been in romania with schengen visa, i departed from milano in italy , air flight wizz, but you need to show another flight tichet for another country , at that moment, i bought one tichet to greece with 15o euro, when i entered in romania, they asked me to show another tichet , after they let me entered .



but the tichet i bought for greece, i threw it away , so with this mehods , i lost 150 euro .

but no other ways to do , for transit visa .

now i am informing if it is possible to show some tichet like train or bus tichet .