h, w = map(int, input().split())
ss = [input().rstrip().split() for _ in range(h)]
for y in range(h):
    for x in range(w):
        if ss[y][x] == 'snuke':
            print(chr(ord('A') + x) + str(y + 1))

2fbad58ade37361c5692680251b20133c4725ba0
<mask token>

<mask token>
for y in range(h):
    for x in range(w):
        if ss[y][x] == 'snuke':
            print(chr(ord('A') + x) + str(y + 1))

h, w = map(int, input().split())
ss = [input().rstrip().split() for _ in range(h)]
for y in range(h):
    for x in range(w):
        if ss[y][x] == 'snuke':
            print(chr(ord('A') + x) + str(y + 1))
