python

def pi(vec:list)->int:
    i=1;
    for j in vec:
        if j:
            i*=j
    return i
    
def split(a:int)->list:
    result=[]
    for i in str(a):
        result.append(int(i));
    return result

def len(a:int):
    return split(a).__len__()

a=int(input())
print(a)
while len(a)!=1:
    print(pi(split(a)))
    a=pi(split(a))