#include<stdio.h>
int main(){
    int N ,X;
    scanf("%d",&N);
    scanf("%d",&X);
    if(N<0||X<0){
        printf("Invalid input");
        return 0;
    }
    int arr[N+1];
    for(int i =0;i<N;i++){
        scanf("%d",&arr[i]);
    }
    arr[N] = X;
    for(int i =0;i<N+1;i++){
        for(int j =i+1;j<N+1;j++){
                int temp = arr[i];
                arr[i] = arr[j];
                arr[j] = temp;
            }
        }
    }
for(int i = 0; i < N+1;i++){
    printf("%d",arr[i]);
    if(i<N)printf(" ");
    }
return 0;
}