#include <iostream>

using namespace std;


int main() {

  int size, rungs;
  cin>> size>> rungs;

  size++;
  int board[size];
  for( int i = 0; i < size; i++) {
    board[i] = i;
  }

  for( int i = 0; i < rungs; i++) {
    int rung;
    cin>> rung;
    int temp = board[rung];
    board[rung] = board[rung+1];
    board[rung+1] = temp;
  }
  
  for( int i = 1; i < size; i++) {
      cout<< board[i]<< endl;
  }

return 0;
}