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B021.js
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B021.js
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process.stdin.resume();
process.stdin.setEncoding("utf8");
// 自分の得意な言語で
// Let's チャレンジ!!
var lines = [];
var reader = require("readline").createInterface({
input: process.stdin,
output: process.stdout,
});
reader.on("line", (line) => {
lines.push(line);
});
reader.on("close", () => {
const N = Number(lines[0]);
for (let i = 1; i <= N; i++) {
const word = lines[i].split("");
const end = word.length - 1;
if (
word[end] === "s" ||
(word[end - 1] === "s" && word[end] === "h") ||
(word[end - 1] === "c" && word[end] === "h") ||
word[end] === "o" ||
word[end] === "x"
) {
const answer = word.reduce((acc, char) => acc + char, "") + "es";
console.log(answer);
} else if (word[end] === "f") {
const answer =
word.slice(0, end).reduce((acc, char) => acc + char, "") + "ves";
console.log(answer);
} else if (word[end - 1] === "f" && word[end] === "e") {
const answer =
word.slice(0, end - 1).reduce((acc, char) => acc + char, "") + "ves";
console.log(answer);
} else if (
word[end - 1] !== "a" &&
word[end - 1] !== "i" &&
word[end - 1] !== "u" &&
word[end - 1] !== "e" &&
word[end - 1] !== "o" &&
word[end] === "y"
) {
const answer =
word.slice(0, end).reduce((acc, char) => acc + char, "") + "ies";
console.log(answer);
} else {
const answer = word.reduce((acc, char) => acc + char, "") + "s";
console.log(answer);
}
}
});