'use strict'

const main = input => {
	const args = input.split('\n').map(arg => arg.split(' '))
	const S = args[0][0]
	const t1 = {
		'Sunny': 'Cloudy',
		'Cloudy': 'Rainy',
		'Rainy': 'Sunny'
	}

	console.log(t1[S])
}

main(require('fs').readFileSync('/dev/stdin', 'utf8'))
