#include <iostream>
using namespace std;

const int N = 100001;

int n, a[N];

int check(int a, int b, int c) {
	return (a <= c && c <= b) || (b <= c && c <= a);
}

int main() {
	int n;
	cin >> n;
	for(int i = 1; i <= n; i += 1) {
		cin >> a[i];
		a[i] += a[i - 1];
	}
	int q;
	cin >> q;
	while(q--) {
		int L, R;
		cin >> L >> R;
		int target = (a[L] + a[R]) / 2;
		int pos = -1;
		while(L != R) {
			int mid = (L + R) / 2;
			if(a[mid] == target) {
				pos = mid;
				break;
			}
			if(check(a[L], a[mid - 1], target))
				R = mid - 1;
			else
				L = mid + 1;
		}
		if(pos == -1)
			cout << "NO" << endl;
		else
			cout << "YES" << endl;
	}
}