801 B | 801 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
BLANK = " "
inp = input
# inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
a = list(input())
b = list(input())
mx = 0
mn = int("1" * 5000)
for i in range(len(a)):
z = a[i:] + a[:i]
if z[0] == '0':
continue
mx = max(mx, int("".join(z)))
for i in range(len(b)):
z = b[i:] + b[:i]
if z[0] == '0':
continue
mn = min(mn, int("".join(z)))
p(mx - mn)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()