18-09-01（卖菜）

import java.util.*;
public class cap_18_09_01{
    
    
        public static void main(String[] args){
    
    
            Scanner input = new Scanner(System.in);
            int n = input.nextInt();
            int[] a = new int[n];
            for(int i =0;i<n;i++){
    
    
                a[i] = input.nextInt();
            }
            int[] b = new int[n];
            for(int i=0;i<n;i++){
    
    
                if(i==0){
    
    
                    b[i] = (a[i]+a[i+1])/2;
                    continue;
                }
                if(i == n-1){
    
    
                    b[i] = (a[i]+a[i-1])/2;
                    continue;
                }
                b[i] = (a[i-1]+a[i+1]+a[i])/3;
            }//for

            for(int i =0;i<n;i++){
    
    
                System.out.print(b[i]+" ");
            }

        }//main

    }