f = file("input.txt", "r").readline ()
num1 = ''
num2 = ''

for i in xrange(len(f)):
    if f[i] == " ":
        num1 = int(f[0:i])
        num2 = int(f[i-1::-1])

f = file("output.txt", "w").write(str(num1 + num2))