#include <bits/stdc++.h> #include <atcoder/all> using mint = atcoder::modint998244353; //using mint = atcoder::modint1000000007; using namespace atcoder; using namespace std; using ll = long long; using pi = pair<int,int>; using pl = pair<ll,ll>; using vi = vector<int>; using vm = vector<mint>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; using vpi = vector<pair<int,int>>; using vpl = vector<pair<ll,ll>>; #define rep(i,n) for (ll i = 0; i < n; i++) #define replr(i,l,r) for (ll i = l; i < r; i++) set<char> abc = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'}; const int inf =1e9; const ll infl = 4e18; template <typename T> bool chmax(T &a, const T& b) {if (a < b) {a = b; return true;}return false;} template <typename T> bool chmin(T &a, const T& b) {if (a > b) {a = b; return true;}return false;} template <typename T> T max(vector<T> &v) {T m = 0;for (auto x : v) chmax(m, x);return m;} template <typename T> T min(vector<T> &v) {T m = inf;for (auto x : v) chmin(m, x);return m;} template <typename T> void print(vector<T> &v){for(auto x : v){cout<<x<<' ';}cout<<'\n';} /*memo */ int main(){ int N; cin >> N; vi A(N); rep(i,N) cin >> A[i]; int cnt0=0,cnt1=0; rep(i,N){ if(A[i]==0) cnt0++; else cnt1++; } mint ans=0; ans=min(cnt0,cnt1); ans/=N; cout << ans.val() << endl; }