#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define be begin()
#define en end()
#define le length()
#define all(x) (x).begin(), (x).end()
#define rep(i, n) for (__typeof(n) i = 0; i < n; i++)
#define repo(i, n) for (__typeof(n) i = 1; i <= n; i++)
#define eps 1e-6
#define pi 3.141592653589793
#define c(a) cout << a << "\n";
#define a(a)         \
    for (auto i : a) \
        cout << i << " ";
typedef vector<int> vii;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MOD = 1e9 + 7;
const int INF = 1e9;
int main()
{

ll a,b,c;
cin>>a>>b>>C;
if(a==b+c || b==a+c || c==a+b) c("Yes")
else c("No")
}