l=[] while True: a=input() if a=="." : break l.append(a) for i in l: for j in range (len(i)): if len(i)%(j+1)!=0: continue flag=True for k in range (len(i)//(j+1)): if i[:j+1]!=i[k*(j+1):k*(j+1)+j+1] : flag=False break if flag : print(len(i)//(j+1)) break