#line 1 "/workspaces/compro/lib/template.hpp" #line 1 "/workspaces/compro/lib/io/vector.hpp" #include #include #ifndef IO_VECTOR #define IO_VECTOR template std::ostream &operator<<(std::ostream &out, const std::vector &v) { int size = v.size(); for (int i = 0; i < size; i++) { std::cout << v[i]; if (i != size - 1) std::cout << " "; } return out; } template std::istream &operator>>(std::istream &in, std::vector &v) { for (auto &el : v) { std::cin >> el; } return in; } #endif #line 4 "/workspaces/compro/lib/template.hpp" #include #define REP(i, n) for (int i = 0; i < n; i++) #define FOR(i, m, n) for (int i = m; i < n; i++) #define ALL(v) (v).begin(), (v).end() #define coutd(n) cout << fixed << setprecision(n) #define ll long long int #define vl vector #define vi vector #define MM << " " << using namespace std; template void chmin(T &a, T b) { if (a > b) a = b; } template void chmax(T &a, T b) { if (a < b) a = b; } // 重複を消す。計算量はO(NlogN) template void unique(std::vector &v) { std::sort(v.begin(), v.end()); v.erase(std::unique(v.begin(), v.end()), v.end()); } #line 2 "main.cpp" const std::string YES = "Yes"; const std::string NO = "No"; bool solve(int N, const std::vector &E) { int S = 1; REP(i, N) { S *= 3; } REP(i, S) { int tmp = i; vi a(3, 0); REP(j, N) { a[tmp % 3] += E[j]; tmp /= 3; } if (a[0] == a[1] && a[1] == a[2]) { return true; } } return false; } // generated by online-judge-template-generator v4.7.1 (https://github.com/online-judge-tools/template-generator) int main() { int N; std::cin >> N; std::vector E(N); for (int i = 0; i < N; ++i) { std::cin >> E[i]; } auto ans = solve(N, E); std::cout << (ans ? YES : NO) << std::endl; return 0; }