import numpy as np
f=list(input())
while True:
if 'E' not in f:
pass
for i in list(input()):
f.append(i)
else:
break
for i in range(len(f)):
if f[i]=='E':
del f[i:]
j=0
wn=0
ln=0
while (j<len(f)):
if f[j]=='W':
wn+=1
else:
ln+=1
if (j+1)%11==0 or j==len(f)-1:
print("{}:{}".format(wn,ln))
wn=0
ln=0
j+=1
print()
j=0
while (j<len(f)):
if f[j]=='W':
wn+=1
else:
ln+=1
if (j+1)%21==0 or j==len(f)-1:
print("{}:{}".format(wn,ln))
wn=0
ln=0
j+=1
样例可以过