# 3
s=input()
a=[]
g=[]
for i in s:
    if i != ';' and i != ',' and i != '.' and i != ":" and i != "?" and i != "!":
        g.append(i)
    else:
        a.append(g)
        g=[]
    if i.index(i)=len(s)-1:
        a.append(g)
        g=[]
print(a)