def main():

    t = int(input())

    for i in range(t):
        n,a,b = map(int,input().split())
        k = len(str(n))/2
        if a*b != n:
            print("NO")
            continue
        if len(str(a)) != k and len(str(b)) != k:
            print("NO")
            continue
        if a%10 != 0 and b%10 != 0:
            print("NO")
            continue

        if set(str(a)+str(b)) != set(str(n)):
            print("NO")
            continue
        print("YES")
main()