#include <iostream>
#include <vector>
using namespace std;
int main(){
    int n;cin>>n;
    vector<int> A(n);
    for(int i = 0; n > i; i++){
        cin>>A[i];
    }
    if(A[0] > A[n-1]){
        cout << "No" << endl;
        return 0;
    }
    
    int nw = A[0];
    vector<int> ret;
    vector<int> ret2;
    for(int i = 1; n-1 > i; i++){
        if(nw < A[i]){
            ret.push_back(A[i]);
        }else{
            ret2.push_back(nw);
            nw = A[i];
        }
    }
    vector<int> o;
    for(int i = 0; ret.size() > i; i++)o.push_back(ret[i]);
    o.push_back(nw);
    for(int i = ret2.size()-1; 0 <= i; i--)o.push_back(ret2[i]);
    for(int i = 0; o.size() > i; i++){
        cout << o[i] << " \n"[i==o.size()-1];
    }
    
}