import java.lang.Math

fun main(args: Array<String>)
{
    val s = readLine()!!

    if (s == "Sunny") println("Cloudy")
    else if (s == "Cloudy") println("Rainy")
    else if (s == "Rainy") println("Sunny")
 }

fun readInts(): List<Int> = readLine()!!.split(" ").map(String::toInt)
fun readLongs(): List<Long> = readLine()!!.split(" ").map(String::toLong)

fun readIntArr(): IntArray = readLine()!!.split(" ").map(String::toInt).toIntArray()
fun readLongArr(): LongArray = readLine()!!.split(" ").map(String::toLong).toLongArray()

fun readIntArrS(): IntArray = readLine()!!.split(" ").map(String::toInt).toIntArray().sortedArray()
fun readLongArrS(): LongArray = readLine()!!.split(" ").map(String::toLong).toLongArray().sortedArray()

fun readIntArrSD(): IntArray = readLine()!!.split(" ").map(String::toInt).toIntArray().sortedArrayDescending()
fun readLongArrSD(): LongArray = readLine()!!.split(" ").map(String::toLong).toLongArray().sortedArrayDescending()

fun readString() = readLine()!!
