#include <stdio.h>

int main() {
   int n=0;
   scanf("%d",&n);
   int arr[100];
   int count=0;
   int j=0;
   int c=0;
   while(count<n&&scanf("%d",&j)!=EOF)
   {
    arr[count+1]=j;
    count++;
   }
   arr[0]=0;
   arr[n+1]=10000;
   scanf("%d",&c);

   int k=0;
   for(k=0;k<n+1;k++)
   {
    if(arr[k]<=c&&arr[k+1]>=c)
    printf("%d ",c);
    if(k<n)
     printf("%d ",arr[k+1]);
   }

    return 0;
}