#include #include #include using namespace atcoder; using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf 1000000000 int main(){ int n; cin>>n; int S = 0; vector a(n); rep(i,n){ cin>>a[i]; S += a[i]; } S /= n-1; int c2 = 0,c4 = 0; rep(i,n){ if(S-a[i]==2)c2++; else c4++; } cout<