a,b,c = input().split()

if a!=b and b!=c and a!=c:
    print("No")
elif a==b and b==c and a==c:
    print("No")
else:
    print("Yes") a,b,c = input().split() a input().split() ().split () input split b c if a!=b and b!=c and a!=c:
    print("No")
elif a==b and b==c and a==c:
    print("No")
else:
    print("Yes") a!=b and b!=c and a!=c a!=b and b!=c a!=b a b b!=c b c a!=c a c print("No") print "No" elif a==b and b==c and a==c:
    print("No") a==b and b==c and a==c a==b and b==c a==b a b b==c b c a==c a c print("No") print "No" print("Yes") print "Yes" b,c = input().split() input().split() b c = input().split() input().split() c a,b,c = input().split() input().split() a
a,b,c = input().split()

if a!=b and b!=c and a!=c:
    print("No")
elif a==b and b==c and a==c:
    print("No")
else:
    print("Yes")