import sys
input=sys.stdin.readline
import itertools

X, Y = map(int, input().split())
l = [X,Y]
l.sort()
X_prime, Y_prime = l[0], l[1]
digit = [0,1,2,3,4,5,6,7,8,9,10,11]
digit_list = digit*2
keys = [0,1,2,3,4,5,6,7,8,9,10,11]*2
d = dict(zip(keys,digit_list))
print(d.get(keys[Y_prime+4]))