#include<cstdio>
#include<algorithm>
typedef long long ll;
ll a[1000010],n,m;
int main(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
	}
	for(int i=0;i<m;i++){
		ll k;
		scanf("%d",&k);
		ll ans=std::lower_bound(a,a+n,k)-a;
		if(a[ans]!=k) ans=-1;
		printf("%d ",ans);
	}
	return 0;
}