def get_int
  gets.chop.to_i
end

def get_ints
  gets.chop.split.map(&:to_i)
end

def get_double
  gets.chop.to_f
end

def get_str
  gets.chop
end

def get_strs
  gets.chop.split
end

def main
  s = get_str
  if s == "Sunny"
    puts "Cloudy"
  elsif s == "Cloudy"
    puts "Rainy"
  else
    puts "Sunny"
  end
end

if __FILE__ == $0
  main
end