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.
a,b = map(int,input().split())
s = a + b
if s % 2 == 0:
    print(0)
else:
    print(1)