#include<iostream>
#include<bits/stdc++.h>
#include<vector>
#define vi vector<int>
#define lli long long int
#define fo(i,n) for(int i=1;i<=n;i++)
#define foo(i,n) for(int i=0;i<n;i++)
#define ff first
#define ss second
#define pb push_back
#define vii vector<lli>
#define ok ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
#define vp vector<pair<lli,lli>>
#include <map> 
#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 


int main(){
lli v[4],t=0;
foo(j,4) cin>>v[j];
	foo(i,4) t+=v[i];
	if(t%2) {
		cout<<"No";
		return 0;
	}
	lli s = 0;
	lli mask = 15;
	fo(i,mask){
		s=0;
		foo(j,4){
			if(i&(1<<j)){
				s+=v[j];
			}
		}
		if(s==t/2){
			cout<<"Yes";
			return 0;
		}
	}
	cout<<"No";
	return 0;
}

//#pragma GCC target("avx2")
#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include <prettyprint.hpp>
#define debug(...)  cerr << "[" << #__VA_ARGS__ << "]: ", d_err(__VA_ARGS__);
#else
#define debug(...) 83;
#endif

void d_err() {
    cerr << endl;
}

template <typename H, typename... T>
void d_err(H h, T... t) {
    cerr << h << " ";
    d_err(t...);
}

template <typename T>
void print(T x) {
    cout << x << "\n";
}

#define ALL(x) (x).begin(), (x).end()
#define FOR(i, m, n) for (ll i = (m); i < (n); ++i)
#define REVFOR(i, m, n) for (ll i = (n - 1); i >= (m); --i)
#define REP(i, n) FOR(i, 0, n)
#define REVREP(i, n) REVFOR(i, 0, n)
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define eb emplace_back
#define bcnt __builtin_popcountll

typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<ll,ll> Pll;
typedef pair<int,int> Pin;

ll INF = 1e16;
int inf = 1e9;

int main(){
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(20);

    ll n; cin >> n;

    set<ll> s;
    FOR(i, 1, sqrt(n) + 1) {
        if (n % i == 0) {
            s.insert(i);
            if (i * i != n) s.insert(n / i);
        }
    }

    for(auto &e: s) print(e);
}
