print(N)

S = [input() for i in range(N)]
print(S)

ac = 0
wa = 0
tle = 0
re = 0
for i in range(N):
    if S[i] == 'AC':
        ac += 1
    elif S[i] == 'WA':
        wa += 1
    elif S[i] == 'TLE':
        tle += 1
    elif S[i] == 'RE':
        re += 1

print('AC x' , ac)
print('WA x' ,wa)
print('TLE x' ,tle)
print('RE x' , re)  