object Main extends App {
 
 
	def dummy(n:Int, x:Int, y:Int):Int = {
		(for(a <- x to y if a%n==0) yield 1).sum
	}                                         //> dummy: (n: Int, x: Int, y: Int)Int
 
	def smart(n:Int, x:Int, y:Int):Int = {
		y/n - (x-1)/n
	}                                         //> smart: (n: Int, x: Int, y: Int)Int
 
	for(n<- 1 to 20; x <- 1 to 50; y <- x to 60 if smart(n,x,y) != dummy(n,x,y)){
		println((n,x,y)+" "+smart(n,x,y)+" "+ dummy(n,x,y))
	}
}
 

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