The input contains two integers *a*<sub class="lower-index">1</sub>, *a*<sub class="lower-index">2</sub> (0 ≤ *a*<sub class="lower-index">*i*</sub> ≤ 32), separated by a single space.
s = input().split()
ans = int(s[0])+int(s[1])
print(ans&1)