Unless I am mistaken those are French and Polish flags. At this point I would like to point out to NATO that the last time a Frenchman tried invading Russian territory with Poles it ended badly for him. This is 2024 not 1812 and V.V Putin has nuclear weapons which he has been clear about using if NATO interferes.
https://elpais.com/internacional/2024-03-18/militares-de-la-otan-ya-estan-en-ucrania-para-el-control-del-armamento-operaciones-de-inteligencia-y-formacion.html Unwise, very unwise. Dios mio.