You might find a lot of resistance to feeding Iams on here, there have been stories for years about IAms and animal cruelty, and to be honest, there are dry foods that are much better quality for the same, or cheaper price. I personally use James Wellbeloved or HiLife. IT is much better for cats to have wet food than dry, it can help their health later in life, and is a bonus if they ever need medication. mixing wet and dry can also cause problems, it can't be left down as long, and some cats dont like it. I would start with feeding them what they are used to, and reading some of the many posts about diet on here. Good luck with them!!