import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60
MOD = 1000000007


def main():
    S = readline().strip()
    A = ['Sunny', 'Cloudy', 'Rainy']

    print(A[(A.index(S) + 1) % 3])
    return


if __name__ == '__main__':
    main() import sys sys read = sys.stdin.read read sys.stdin.read sys.stdin sys stdin read readline = sys.stdin.readline readline sys.stdin.readline sys.stdin sys stdin readline readlines = sys.stdin.readlines readlines sys.stdin.readlines sys.stdin sys stdin readlines sys.setrecursionlimit(10 ** 9) sys.setrecursionlimit sys setrecursionlimit 10 ** 9 10 9 INF = 1 << 60 INF 1 << 60 1 60 MOD = 1000000007 MOD 1000000007 def main():
    S = readline().strip()
    A = ['Sunny', 'Cloudy', 'Rainy']

    print(A[(A.index(S) + 1) % 3])
    return main S = readline().strip() S readline().strip() ().strip () readline strip A = ['Sunny', 'Cloudy', 'Rainy'] A ['Sunny', 'Cloudy', 'Rainy'] 'Sunny' 'Cloudy' 'Rainy' print(A[(A.index(S) + 1) % 3]) print A[(A.index(S) + 1) % 3] A (A.index(S) + 1) % 3 A.index(S) + 1 A.index(S) A.index A index S 1 3 return if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main readlines = sys.stdin.readlines sys.stdin.readlines readlines INF = 1 << 60 1 << 60 INF MOD = 1000000007 1000000007 MOD def main():
    S = readline().strip()
    A = ['Sunny', 'Cloudy', 'Rainy']

    print(A[(A.index(S) + 1) % 3])
    return def main():
    S = readline().strip()
    A = ['Sunny', 'Cloudy', 'Rainy']

    print(A[(A.index(S) + 1) % 3])
    return main readline = sys.stdin.readline sys.stdin.readline readline read = sys.stdin.read sys.stdin.read read
import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60
MOD = 1000000007


def main():
    S = readline().strip()
    A = ['Sunny', 'Cloudy', 'Rainy']

    print(A[(A.index(S) + 1) % 3])
    return


if __name__ == '__main__':
    main()
