a,b,c=map(int,input().split())
d,e,f=map(int,input().split())
s=set([a,b,c])
t=set([d,e,f])
if len(s-t)!=0:
    print('No')
else:
    print('Yes')
    if a==d and b==e and c==f:
        pass
    else:
        print(2)