import std.stdio;
import std.string;
import std.conv;
import std.algorithm;

void main() {
	auto N = split(readln())[0].to!int();
	auto L = split(readln()).map!(x => to!int(x));
	auto sum = reduce!("a + b")(L);
	
	foreach (i; 0 .. N) {
		if (sum-L[i] <= L[i] ) { writeln("No"); return; }
	}
	
	writeln("Yes");
} 