L1-022 奇偶分家

const readline = require("readline");
const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
});
const input_arr = [];//储存数据
rl.on('line', function (line) {
  input_arr.push(line);
}
);

rl.on('close', function () {
  let arr = input_arr[1].split(' ')
  let odd_arr = arr.filter((item) => item % 2 !== 0)
  let even_arr = arr.filter((item) => item % 2 === 0)
  process.stdout.write(odd_arr.length + ' ' + even_arr.length)
})

let rs = require('readline-sync')
let ignore = rs.question()
let info = rs.question()
let arr = info.split(' ')
let odd_arr = arr.filter((item)=>item%2!==0)
let even_arr = arr.filter((item)=>item%2===0)
process.stdout.write(odd_arr.length + ' ' + even_arr.length)