import sys
input = sys.stdin.readline

A=list(map(int,input().split()))
B=list(map(int,input().split()))

A0=[abs(a) for a in A]
B0=[abs(b) for b in B]

A2=sorted([abs(a) for a in A])
B2=sorted([abs(b) for b in B])

if A2==B2:
    print("Yes")
    print(2)
            

else:
    print("No")