fun main() {
    val colors = listOf("Red", "Orange", "Yellow", "Green", "Cyan", "Blue", "Violet")
    val n = readLine()!!.toInt()
    val a = readLine()!!.split(" ")
    val b = readLine()!!.split(" ")
    for (color in colors) {
        if (a.count { it == color } != b.count { it == color }){
            println(color)
        }
    }
}