n = int(input())
lst = list()
for _ in range(n): 
    a, b, g, k = map(int, input().split())
    lst.append((a, b, a + g, b + k))
x, y = map(int, input().split())
ans = -1
for i in range(n - 1, -1, -1):
    x1, y1, x2, y2 = lst[i]
    if x1 <= x <= x2 and y1 <= y <= y2:
        ans = i + 1
        break
print(ans)