#include<bits/stdc++.h>

using namespace std;
int n;
int main()
{
	int n,m;
	cin >> n >> m;
	int q[n+5];
	for(int i=0;i<n;i++)
		scanf("%d",&q[i]);
	while(m--)
	{
		int x;
		scanf("%d",&x);
		int l = 0,r = x;
		while(l < r)
		{
			int mid =  l + r >> 1;
			if(q[mid] >= x) r = mid;
			else l = mid + 1;
		}
		if(q[l]!=x) cout << -1 << " ";
		else cout << l + 1 << " ";
	}
	return 0;
}