#include <bits/stdc++.h>
using namespace std;
int main(){
    int m,n,h;
    cin>>n>>m;
    int a[m];
    for(int i=0;i<m;i++){
        cin>>a[i];
    }
    for(int i=0;i<m-1;i++){
        if(a[i]>n){
            h=i;
            break;
        }
    }
    for(int i=m-1;i>=h;i--){
        a[i+1]=a[i];
    }
    a[h]=n;
    for(int i=0;i<=m;i++){
        cout<<a[i]<<" ";
    }
}
/**************************************************************
	Problem: 1161
	User: lijinkai
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/