#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; int a[n],b[n]; for(int i=1;i<=n;i++){ cin>>a[i]; } for(int i=1;i<=n;i++){ if(i%2!=0){ if(i=n-1){ b[i]=a[i]; }else b[i+1]=a[i]; }else b[i-1]=a[i]; }for(int i=1;i<=n;i++){ cout<<b[i]<<" "; } }