#include<bits/stdc++.h>
#define REP(i,n) for(int i=0,i##_len=(n);i<i##_len;++i)
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
#define All(x) (x).begin(),(x).end()
using namespace std;
using ll = long long;

int main(){
    int N;cin>>N;
    assert(2<=N&&N<=100000);
    vector<int> A(N);
    REP(i,N){
        cin>>A[i];
        assert(1<=A[i]&&A[i]<=100000);
    }
}