Does anyone know the name of this song i heard in europe??

this summer, i traveled to europe (russia, ukraine, poland& egypt) i went clubbing a couple of times and heard this really cool song many times (especially in russia and ukraine) i think it was called sos or something like tht...IT WAS NOT THE SONG BY RIHANNA im not sure whether the song i heard was english or russian or some other language..but im just wondering if anyone else heard it and if u have..do u know who sings it and the exact name of the song..all i remember is tht in the song they said sososo..a couple of times...