import readline from 'node:readline'

import { getMaximumFrequencyDeviation } from './getMaximumFrequencyDeviation.js'

const input = []
const readlineInterface = readline.createInterface({
  input: process.stdin,
  output: process.stdout
})
readlineInterface.on('line', (value) => {
  input.push(value)
})

const solution = () => {
  console.log(getMaximumFrequencyDeviation(input[0]))
}

readlineInterface.on('close', solution)