import sys
import decimal # 10進法に変換，正確な計算

def input():
    return sys.stdin.readline().strip()

def main():
    s = input()
    if s[0] == "S":
        print("Cloudy")
        return
    elif s[0] == "C":
        print("Rainy")
        return
    print("Sunny")
    

    
    
main() import sys sys import decimal decimal def input():
    return sys.stdin.readline().strip() input return sys.stdin.readline().strip() sys.stdin.readline().strip() sys.stdin.readline().strip sys.stdin.readline() sys.stdin.readline sys.stdin sys stdin readline strip def main():
    s = input()
    if s[0] == "S":
        print("Cloudy")
        return
    elif s[0] == "C":
        print("Rainy")
        return
    print("Sunny")
    

    
     main s = input() s input() input if s[0] == "S":
        print("Cloudy")
        return
    elif s[0] == "C":
        print("Rainy")
        return
     s[0] == "S" s[0] s 0 "S" print("Cloudy") print "Cloudy" return elif s[0] == "C":
        print("Rainy")
        return
     s[0] == "C" s[0] s 0 "C" print("Rainy") print "Rainy" return print("Sunny") print "Sunny" main() main def main():
    s = input()
    if s[0] == "S":
        print("Cloudy")
        return
    elif s[0] == "C":
        print("Rainy")
        return
    print("Sunny")
    

    
     def main():
    s = input()
    if s[0] == "S":
        print("Cloudy")
        return
    elif s[0] == "C":
        print("Rainy")
        return
    print("Sunny")
    

    
     main def input():
    return sys.stdin.readline().strip() def input():
    return sys.stdin.readline().strip() input
import sys
import decimal # 10進法に変換，正確な計算

def input():
    return sys.stdin.readline().strip()

def main():
    s = input()
    if s[0] == "S":
        print("Cloudy")
        return
    elif s[0] == "C":
        print("Rainy")
        return
    print("Sunny")
    

    
    
main()