#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    ifstream read("add.in");
    ofstream write("add.out");
    int n,m,inversions=0,eqdifference,bigger=0,index,nextnum;
    read>>n>>m;
    nextnum=n+1;
    int* arr=new int[n+1];
    for (int i=0;i<n;i++){
        read>>arr[i];
    }
    for (int i=0;i<n-1;i++){
        for (int j=i+1;j<n;j++){
            if (arr[i]>arr[j]){
                inversions++;
            }
        }
    }
    if (m<inversions){
        cout<<"Impossible";
        return 0;
    }
    eqdifference=m-inversions;
    if (eqdifference>(n+1)){
        cout<<"Impossible";
        return 0;
    }
    for (int i=n;i>0;i--){
        if (nextnum>arr[i]){
            bigger++;
            if (bigger==eqdifference){
                index=i-1;
            }
        }
    }
    if (bigger<eqdifference){
        cout<<"Impossible";
        return 0;
    }
    for (int i = n; i >= index; i--)
        arr[i+1] = arr[i];
    arr[index] = nextnum;
    for (int i=0;i<n;i++){
        write<<arr[i]<<" ";
    }
    write<<arr[n];
    return 0;
}