#include using namespace std; #ifdef LOCAL #include #else #define debug(...) 42 #endif using ll = long long; using ld = long double; const ll linf=(1LL<<60) - 1; const int inf=(1LL<<30) - 1; #define len(obj) int(obj.size()) #define overload4(a,b,c,d,name,...) name #define overload5(a,b,c,d,e,name,...) name #define rep1(n) for(long long _=0;_=0;--_) #define rrep2(i,n) for(ll i=n-1;i>=0;--i) #define rrep3(i,a,b) for(ll i=b-1;i>=a;--i) #define rrep4(i,a,b,c) for(ll i=(a)+((b)-(a)-1)/(c)*(c);i>=(a);i-=c) #define rrep(...) overload4(__VA_ARGS__,rrep4,rrep3,rrep2,rrep1)(__VA_ARGS__) #define each1(i,a) for(auto&&i:a) #define each2(x,y,a) for(auto&&[x,y]:a) #define each3(x,y,z,a) for(auto&&[x,y,z]:a) #define each4(w,x,y,z,a) for(auto&&[w,x,y,z]:a) #define each(...) overload5(__VA_ARGS__,each4,each3,each2,each1)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define vec(type,name,...) vector name(__VA_ARGS__) #define vv(type,name,h,...) vector name(h,vector(__VA_ARGS__)) #define vvv(type,name,h,w,...) vector name(h,vector(w,vector(__VA_ARGS__))) #define vvvv(type, name, h, w, n, ...) vector>>> name(h, vector>>(w, vector>(n, vector(__VA_ARGS__)))) struct Setting{ Setting(){ cin.tie(nullptr)->sync_with_stdio(0); fixed(cout).precision(12); } }Setting; //----------------------------------- void solve() { int N; cin >> N; vec(ll, A, N); rep(i, N) cin >> A[i]; ll sm = accumulate(A.begin(), A.end(), 0LL); cout << (sm % N == 0 ? "Yes" : "No") << endl; } int main() { int T = 1; // cin >> T; while(T--) { solve(); } }