#include using namespace std; int main() { int t; scanf("%d", &t); while (t--) { int n, max, min, ave; scanf("%d%d%d%d", &n, &max, &min, &ave); int sum = n * ave - max - min; if (sum >= (n - 2) * min && sum <= (n - 2) * max && min <= max) printf("yes\n"); else printf("no\n"); } }