#include<iostream>
#include<cstdio>
using namespace std;
int a[1000005];
int main()
{
    int n,m;scanf("%d%d",&n,&m);
    int mid,left,right,key,search;
    for (int i=0;i<n;++i) scanf("%d",&a[i]);
    while (m--)
    {
        scanf("%d",&key);left=0;right=n-1;
        while (left<=right)
        {
            mid=(left+right)/2;
            if (a[mid]<key) left=mid+1;
            else if (a[mid]>key)right=mid-1;
            else {right=mid-1;search=mid;}
        }
        if (a[mid]==key) printf("%d ",search+1);
        else printf("%d ",-1);
    }
    return 0;
}