#include<iostream>
#include<cstdio>
#include<algorithm>
#define NUM 1000010
#define FOR(a,b,c) for( int a = b;a <= c;a++ )
using namespace std;

int n,m;
int a[NUM];

int main(){
    
    cin >> n >> m;
    FOR( i,1,n )
        cin >> a[i];
    int x;
    FOR( i,1,m ){
        cin >> x;
        int p = lower_bound( a+1,a+n+1,x )-a;
        if( a[p] == x ) cout << p << " ";
        else cout << -1 << " ";
    }
    
    return 0;
}