'use strict'

const main = input => {
	const args = input.split('\n')
	const n = parseInt(args[0], 10)
	const l = args[1].split(' ').map(Number).sort((a, b) => b - a)
	let max = 0
	let sum = 0
	
	for (let i = 0; i < n; i++) {
		if (i === 0) max = l[i]
		else sum += l[i]
	}

	if (max < sum) console.log('Yes')
	else console.log('No')
}

main(require('fs').readFileSync('/dev/stdin', 'utf8'))
