#include<bits/stdc++.h>
#define I inline void
using namespace std ;
using ll = long long ;
using ld = long double ;
const int N = 2e6 + 7 ;
// How interesting!
int n , k ;
int a[N] ;
int used = 0 ;
int dfs(int x , int val){
if(a[x] > val){
cout<< val <<" " ;
used ++ ;
assert(used < 2) ;
return x ;
}
if(a[x] == val){
cout<< val <<" " ;
return x + 1 ;
}
int ret1 = dfs(x , val - 1) ;
int ret2 = dfs(ret1 , val -1 ) ;
return ret2 ;
}
int main(){
ios_base::sync_with_stdio(0) ;
cin.tie(0) ;
//freopen("in.in", "r" , stdin) ;
cin >> n >> k ;
a[n] = (1<<30) ;
for(int i = 0 ;i < n ; i++){
cin >> a[i] ;
}
dfs(0 , 30 ) ;
return 0 ;
}
