N = gets.to_i
a = gets.split(" ").map(&:to_i)
b = gets.split(" ").map(&:to_i)

sum = Array.new(101,0)

#sum[0]はKの合計点。他100人はs[1]～s[100]
(0..100).each{ |i|
    (0..N).each{ |j|
        if b[j]==i
            sum[i] += b[j]
        end    
    }
}

if sum[0] >= sum.max
    puts "YES"
else
    puts "NO"
end