Russia, Belarus, they're only interested in the money. I'm guessing that they don't care who buys their stuff from them so long as someone does. So what you do it YOU BUY IT. Yes, that'll cost a few shekels but it's cheaper than fighting and war. Then, if you don't need it you might resell it or parts of it. This could be a good investment.
Sunni Arab nations are 'Israel's allies,' says Israeli Foreign Ministry director general (JTA)
from the article: Iran official: We have obtained the S-300 missile system