题解 | 乒乓球

s = input()
len_s = len(s)
w,l=0,0
for i in range(len_s):
    if s[i] == 'W':
        w+=1
    elif s[i] == 'L':
        l+=1
    if w >= 11 and w-l>=2:
        print(f'{w}:{l}')
        w,l=0,0
    elif l >= 11 and l-w>=2:
        print(f'{w}:{l}')
        w,l=0,0

print(f'{w}:{l}')
print('')
w,l =0,0

for i in range(len_s):
    if s[i] == 'W':
        w+=1
    elif s[i] == 'L':
        l+=1
    if w >= 21 and w-l>=2:
        print(f'{w}:{l}')
        w,l=0,0
    elif l >= 21 and l-w>=2:
        print(f'{w}:{l}')
        w,l=0,0
print(f'{w}:{l}')