t : int = int(input())

if t < 1 or t > 1000:
    exit(0)

for i in range(0, t):
    bats = []
    bats_input = input()

    for b_i in bats_input.split(" "):
        bats.append(int(b_i))

    if not len(bats) == 3:
        print("NO")
        continue
    if not (bats[0] == bats[1] * bats[2]):
        print("NO")
        continue

    if not len(str(bats[1])) == len(str(bats[2])):
        print("NO")
        continue

    if not len(str(bats[0])) == 2 * len(str(bats[1])):
        print("NO")
        continue

    # if not (bats[1] % 10 == 0 or bats[2] % 10 == 0):
    #     print("NO")
    #     continue

    if (bats[1] % 10 == 0):
        if (bats[2] % 10 == 0):
            print("NO")
            continue

    large = set( str(bats[0]) )
    small = set( str(bats[1]) + str(bats[2]) )

    if not large == small:
        print("NO")
        continue

    print("YES")