#include <iostream>
using namespace std;
int main(){
int n,r;
while (cin >> n >> r){
if(n == r){
cout << '*' << endl;
int q[r];
for(int i = 0; i < r; i++){
cin >> q[i];
}
}else{
int q[r];
int q1[n];
for(int i = 0; i < r; i++){
cin >> q[i];
}
for (int i = 0; i < n; i++){
for (int j = 0; j < r; j++){
if (q[j] == i+1){
q1[i] = q[j];
}
}
}
for (int i = 0; i < n; i++){
if (q1[i] != i+1){
cout << i+1 << " ";
}
}
cout << endl;
}
}
}
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