A1 = list(map(int, input().split()))
A2 = list(map(int, input().split()))
if sum(A1) != sum(A2):
    print("No")
else:
    B1 = sorted(A1)
    B2 = sorted(A2)
    if B1 == B2:
        print("Yes")
        if A1 != A2:
            print(2)
        else:
            print(2)
            print(2)
    else:
        print("No")