// 問題の URL を書いておく
// 

#include <bits/stdc++.h>

using namespace std;

//#define ENABLE_PRINT

#if defined(ENABLE_PRINT)

#define Print(v) \
do {\
    cerr << #v << ": " << v << endl; \
}while(0)

#define PrintVec(v) \
do {\
    for(int __i = 0; __i < v.size(); ++__i) \
    { \
        cerr << #v << "[" << __i << "]: " << v[__i] << endl; \
    }\
}while(0)

#define P(fmt, ...) fprintf(stderr, fmt, __VA_ARGS__)
#define LP fprintf(stderr, "L: %d\n", __LINE__)

#else

#define Print(v) ((void)0)
#define PrintVec(v) ((void)0)
#define P(fmt, ...) ((void)0)
#define LP ((void)0)

#endif

#define rep(i, n) for(int i = 0; i < (int)(n); ++i)

using ll = long long;

int main(int, const char**)
{
    int N;
    cin >> N;
    vector<int> E(N);
    rep(i, N) cin >> E[i];
    int Max = 1;
    rep(i, N) Max *= 3;

    bool yes = false;
    rep(i, Max)
    {
        auto t = i;
        array<int, 3> v{};
        rep(j, N)
        {
            auto vi = t % 3;
            v[vi] += E[j];
            t /= 3;
        }
        if(v[0] == v[1] && v[1] == v[2])
        {
            yes = true;
            break;
        }
    }
    cout << (yes ? "Yes" : "No") << endl;
    return 0;
}