func main()
	var v: int :: cui@inputInt()
	var t: int :: cui@inputInt()
	var p: int :: cui@inputInt()
	do v :* (p + 1)
	
	var ans: int :: v
	var prev: int :: 0
	while a(true)
		var add: int :: (ans - 1) / t + 1
		do ans :: v + add
		if(prev = ans)
			break a
		end if
		do prev :: ans
	end while
	do cui@print("\{ans}\n")
end func