w = 0 
l = 0
data = list()

try:
    while True:
        line = input()
        if line:data.append(line)
        else:break
except EOFError:
    pass

for i in range(len(data)):
    w = 0
    l = 0
    for j in range(len(data[i])):
        if data[i][j] != 'E' and j != len(data[i]) - 1:
            if data[i][j] == 'W':
                w += 1
            elif data[i][j] == 'L':
                l += 1
            if ((w >= 11 and w - l >= 2) or (l >= 11 and l - w >= 2)) == 0:continue
            print(str(w) + ':' + str(l))
            w = 0
            l = 0
        else:
            if data[i][j] == 'W':
                w += 1
            elif data[i][j] == 'L':
                l += 1
            if w + l != 0:print(str(w) + ':' + str(l))
            w = 0
            l = 0
            break

print()

for i in range(len(data)):
    w = 0
    l = 0
    for j in range(len(data[i])):
        if data[i][j] != 'E' and j != len(data[i]) - 1:
            if data[i][j] == 'W':
                w += 1
            elif data[i][j] == 'L':
                l += 1
            if ((w >= 21 and w - l >= 2) or (l >= 21 and l - w >= 2)) == 0:continue
            print(str(w) + ':' + str(l))
            w = 0
            l = 0
        else:
            if data[i][j] == 'W':
                w += 1
            elif data[i][j] == 'L':
                l += 1
            if w + l != 0:print(str(w) + ':' + str(l))
            w = 0
            l = 0
            break

没过