num = input()
length = 5-len(num)
if(length%2==0):
    a = length/2
    b=  length/2
else:
    a = (length/2)+1
    b = int(length/2)
c='0'
str=""
for x in range(int(a)):
    str+=c
for x in range(int(b)):
    num+=c
print(str+num)