result = []
A = 0
B = 0
a = 0
b = 0
s=input()
for i in s:
if i == 'A':
a += 1
if i == 'B':
b += 1
if a == 21:
A+=1
result.append([a,b])
a = b = 0
if b == 21:
B+=1
result.append([a,b])
a = b = 0
if A >= 2 or B >= 2:
break
for i in result:
print("{}-{}".format(i[0],i[1]))
if A == 2:
print("A")
else:
print("B")