// Runtime: 0 ms, faster than 100.00% of Java online submissions for Rectangle Overlap.
// Memory Usage: 34.1 MB, less than 100.00% of Java online submissions for Rectangle Overlap.

class Solution {
    public boolean isRectangleOverlap(int[] rec1, int[] rec2) {
        int x1 = rec1[0];
        int y1 = rec1[1];
        int x2 = rec1[2];
        int y2 = rec1[3];

        int a1 = rec2[0];
        int b1 = rec2[1];
        int a2 = rec2[2];
        int b2 = rec2[3];

        return !(x2 <= a1 || a2 <= x1 || y2 <= b1 || b2 <= y1);
    }
}