a = list(input()) for i in range(len(a)): if a[i] == "E": a = a[0:i] break b = a count_1 = 0 count_2 = 0 while len(b) >= 11: for i in range(11): if b[i] == "W": count_1 = count_1 + 1 else: count_2 = count_2 + 1 b = b[i:len( b )] print(f"{count_1}:{count_2}") count_1 = 0 count_2 = 0 if len(b) < 11: for i in b: if i == "W": count_1 = count_1 + 1 else: count_2 = count_2 + 1 print(f"{count_1}:{count_2}") count_1 = 0 count_2 = 0

print(" ")

while len(a) >= 21: for i in range(21): if a[i] == "W": count_1 = count_1 + 1 else: count_2 = count_2 + 1 a = a[i+1:len(a)] print(f"{count_1}:{count_2}") count_1 = 0 count_2 = 0 if len(a) < 21: for i in a: if i == "W": count_1 = count_1 + 1 else: count_2 = count_2 + 1 print(f"{count_1}:{count_2}")