flag = 0
game = []
while flag == 0:
    rod = input()
    for i in rod: 
        if i == "E": flag = 1
    game.append(rod)

#11分
eleven = ''
for i in game[:]:
    eleven+=i
Hua, Opp = 0 , 0
for i in range(len(eleven)):
    if (Hua >= 11 or Opp >= 11) and (abs(Hua-Opp) >= 2):
            print(str(Hua)+":"+str(Opp))
            Hua, Opp = 0 , 0
    if eleven[i] == 'W': Hua+=1
    elif eleven[i] == 'L': Opp+=1
    else:
        print(str(Hua)+":"+str(Opp))
        break

print()

#21分
twenty_one = ''
for i in game[:]:
    twenty_one+=i
Hua, Opp = 0 , 0
for i in range(len(twenty_one)):
    if (Hua >= 21 or Opp >= 21) and (abs(Hua-Opp) >= 2):
            print(str(Hua)+":"+str(Opp))
            Hua, Opp = 0 , 0
    if twenty_one[i] == 'W': Hua+=1
    elif twenty_one[i] == 'L': Opp+=1
    else: 
        print(str(Hua)+":"+str(Opp))
        break