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