import sys
N=int(sys.stdin.readline())
dummy=1
counter=0
while dummy<N:
    dummy=dummy*10
    counter+=1
last_digit=N//(dummy//10)
len_number=9*(counter-1)+last_digit
sys.stdout.write(str(len_number)+"\n")
counter2=0
counter-=1
while counter2<counter:
    sys.stdout.write(str(10**counter2)+" "+str(2*10**counter2)+" "+str(3*10**counter2)+" "+str(4*10**counter2)+" "+str(5*10**counter2)+" "+str(6*10**counter2)+" "+str(7*10**counter2)+" "+str(8*10**counter2)+" "+str(9*10**counter2)+" ")
    counter2+=1
counter=1
while counter<last_digit:
    sys.stdout.write(str(counter*10**counter2)+" ")
    counter+=1
sys.stdout.write(str(counter*10**counter2))