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import sys


def additionInTheBar(a, b):
    a = list(a)
    b = list(b)
    a.reverse()
    b.reverse()
    c = []
    carry = 0
    for i in range(max(len(a), len(b))):
        if i < len(a):
            carry += int(a[i])
        if i < len(b):
            carry += int(b[i])
        c.append(str(carry % 10))
        carry = carry // 10
    if carry > 0:
        c.append(str(carry))
    c.reverse()
    return ''.join(c)


def main():
    a = sys.stdin.readline().strip()
    b = sys.stdin.readline().strip()
    print(additionInTheBar(a, b))


main()