#24: 有答案喔呵呵
f = False
for i in range(3): # 三行輸入
n = input().split()
if "BILL" in n:
print(i + 1, n.index("BILL") + 1)
f = True
break
if not f:
print("NO")
ZeroJudge Forum
f = False
for i in range(3): # 三行輸入
n = input().split()
if "BILL" in n:
print(i + 1, n.index("BILL") + 1)
f = True
break
if not f:
print("NO")