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def solve():
    a = input()
    b = input()
    a_len = len(a)
    b_len = len(b)
    if a_len > b_len:
        b = '0' * (a_len - b_len) + b
    elif a_len < b_len:
        a = '0' * (b_len - a_len) + a
    mem = 0
    res = ""
    for i in range(len(a)-1, 0-1, -1):
        x = int(a[i]) + int(b[i]) + mem
        mem = 0
        if x >= 10:
            mem = 1
            x = x % 10
        res = str(x) + res
    if mem == 1:
        res = '1' + res
    print(res)

solve()