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a = input()
b = input()

array_a = [0]
array_b = [0]

if len(a) < len(b):
    for i in range(len(b) - len(a)):
        array_a.append(0)

elif len(b) < len(a):
    for i in range(len(a) - len(b)):
        array_b.append(0)

a.split()
b.split()

for i in a:
    array_a.append(int(i))

for i in b:
    array_b.append(int(i))

for i in range(0, len(array_a)):
    array_a[i] += array_b[i]


array_sum = []
array_sum = array_a

currentElement = int(len(array_sum) - 1)

while currentElement != 0:
    if array_sum[currentElement] > 9:
        array_sum[currentElement] -= 10
        array_sum[currentElement-1] += 1
        currentElement -= 1
    else:
        currentElement -= 1
        continue

if array_sum[0] == 0:
    array_sum.remove(0)

sum = str()

for i in range(0, len(array_sum)):
    sum = sum + str(array_sum[i])

print(sum)