#include<stdio.h>
int main(){
    int N;
    scanf("%d",&N);
    if(N<0){
        printf("Invalid input");
        return 0;
    }
    int score[101];
    for(int i=0;i,N;i++){
        scanf("%d",&score[i]);
    }
    for(int i=0;i<N-1;i++){
        if(score[i]>score[i+1]){
            printf("Invalid input");
            return 0;
        }
    }
    int new_score;
    scanf("%d",&new_score);
    int i=N-1;
    while(i>=0&&score[i>new_score]){
        score[i+1]=score[i];
        i--;
    }
    score[i+1]=new_score;
    N++;
    for(int i=0;i<N;i++){
        printf("%d"score[i]);
    }
    return 0;
}