#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>
#include <string>

void InputToVector(std::vector<int> *pTarget)
{

    if(pTarget == NULL) { return; }

    int Input;
    std::cin >> Input;
   pTarget->push_back(Input); 

}

int main()
{

    std::vector List;

    InputToVector(&List);
    InputToVector(&List);
    InputToVector(&List);

    std::sort(List.begin(), List.end(), std::greater<int>());

    std::string ResultStr = "No";
    if(List[0] == (List[1] + List[2]))
    {

        ResultStr = "Yes";

    }

    std::cout << ResultStr << std::endl;

    return 0;

}

