function split (inputstr, sep)
        if sep == nil then
                sep = "%s"
        end
        local t={}
        for str in string.gmatch(inputstr, "([^"..sep.."]+)") do
                table.insert(t, str)
        end
        return t
end

inp1 = split(io.read(),' ')
inp2 = io.read()

A = inp1[1]
B = inp1[2]
N = A + B
print(N,' ',inp2)