import sys
input = sys.stdin.readline
A, B, C = map(int, input().split())
D, E, F = map(int, input().split())
if sorted((A, B, C)) == sorted((D, E, F)):
  print("Yes")
  if A != D:
    if A != E and B != E:
      A, B = B, A
      print(2, "C")
    elif A != F and C != F:
      A, C = C, A
      print(2, "B")
  if B != E and C != F: print(2, "A")
else: print("No")