Will putting foreign coins in one of the machines that turns coins into money brake it?

Okay i got a huge jar of money but uhh i know it has some russian canadian and costa recan coins in it. i dont wanna go through every single coin and ima take it to the penny arcade i think its called tomorrow and uhh i wanna know will it brake it or not cuase uhh i dont wanna spend all day doing it right now ill prolly do it 2morrow but i wanna know.