#include<stdio.h>
int main(){
    int N,X;
    scanf("%d",&N);
    if(N<=0 || N>100000){
        printf ("Invalid input\n");
        
        return 0;
    }
    
    int arr [N+1];
    for (int i=0 ; i<N ;i++ ){
        scanf ("%d", &arr[i]);
        
        
    }
    scanf ("%d", &X);
    if (X<-1000000 || X>1000000){
        printf ("Invalid Input\n");
        return 0;
        
    }
    arr[N]+X;
    N++;
    
    for (int i=0;i<N - 1 ;i++){
        for (int j =0; j<N -i -1; j++){
            
            if (arr[j]>arr[j] +1){
                int temp = arr[j];
                arr [j] =arr[j+1];
                arr[j+1]=temp;
                
        }
    }
    for (int i =0; i <N;i++){
        printf("%d", arr [i]);
        
    }
    return 0;
     
    
}