include

void SumAbs (int *a, int *b){ int temp = (*a); (*a)+=(*b);

temp = temp - (*b);
if(temp>=0){
    (*b)=temp;
} else {
    (*b)=temp*(-1);
}

}

int main() { int a, b; std::cin >> a >> b; SumAbs(&a,&b); std::cout << a << std::endl; std::cout << b << std::endl;

return 0;

}