#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, c;
  cin >> a >> b >> c;
  vector<int> pop{a, b, c};
  int num = a + b + c;
  for (int i = 0; i < 4; i++) {
    if (i == 3) break;
    if (pop[i] != pop[i + 1]) {
      if (pop[i] != pop[i + 2]) {
        if (num % 2 == 0) {
          cout << "Yes" << endl;
          break;
        } else {
          cout << "No" << endl;
          break;
        }
      } else {
        cout << "No" << endl;
        break;
      }
    } else {
      cout << "No" << endl;
      break;
    }
  }
  return 0;
}
