#include<stdio.h>
int main() {
    int n, i, x, f =0;
    if(scanf("%d", &n) != 1 || n > 10) return printf("Invalid Input"), 0;
    int a[n];
    for(i = 0; i < n; i++) {
        if(scanf("%d", &a[i]) != 1 || a[i] <- 10000 || a[i] > 10000) 
        return printf("Invalid Input"), 0;
        if(scanf("%d", &x) != 1 || x < -10000 || x > 10000) 
        return printf("Invalid Input"), 0;
        for(i = 0; i < n; i++)
        if(a[i] == x) a[i] =99999, f = 1;
        if(!f) return printf("Not Found"), 0;
        int p = 0;
        for (i = 0; i < n; i++)
        if(a[i] != 99999) printf("%s%s", p++ ? " " : " ",a[i]);
        if(!p) printf("List is empty");
        return 0;
}