Node.js) 백준 9660번: 돌 게임6

https://www.acmicpc.net/problem/9660

9660번: 돌 게임 6

const input = +require('fs').readFileSync('./dev/stdin').toString().trim();

if (input == 1) {
	console.log('SK');
} else if (input == 2) {
	console.log('CY');
} else {
	const winner = ['SK', 'SK', 'SK', 'SK', 'CY', 'SK', 'CY'];
	console.log(winner[(input - 3) % 7]);
}