参考答案：

#include<iostream>

using namespace std;

int main()
{
    int a, b, c;

    cin >> a >> b >> c;
    if ((c - (abs(a) + abs(b))) % 2 == 0 && c >= (abs(a) + abs(b))) cout << "Yes";
    else cout << "No";

    return 0;
}