Shared code

for _ in range(int(input())):
    a, b = map(int, input().split())

    a, b = min(a, b), max(a, b)
    is_possible = b <= (2 * a)

    # or
    # is_possible = b <= (2 * a) or a <= (2 * b)

    # complex
    # is_empty = (a, b) in ((0, 0), (1, 2), (2, 1))

    # simple
    is_empty = ((a + b) % 3) == 0

    print("YES" if is_empty and is_possible else "NO")