접근 : 구현
Javascript
let input = require("fs")
.readFileSync("/dev/stdin") //"/dev/stdin"
.toString()
.split("\n")
.map((val) => val.trim());
function solution(input) {
let num = input[0];
let cnt = 0;
let answer = "";
while (1) {
let Num = num.split("").map((v) => +v);
if (Num.length === 1) {
if (Num[0] % 3 === 0) answer = "YES";
else answer = "NO";
break;
}
let psum = Num.reduce((a, c) => a + c);
num = String(psum);
cnt++;
}
console.log(cnt);
console.log(answer);
}
solution(input);
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