import string

bs=input()
for i in string.punctuation:
    bs = bs.replace(i,' ')
Ls=bs.split()
#print(Ls)
d={}
for word in Ls:
        w=len(word)
        if w in d:
                d[w]+=1
        else:
                d[w]=1
Lresult=list(d.items())
Lresult.sort(key=lambda x:x[0])
print(Lresult)