#include <bits/stdc++.h>
using namespace std;
const int N = 201;

int n, m, r;
int a[N], b[N], num[N];

int main() {
	freopen("killer.in","r",stdin);
	freopen("killer.out","w",stdout);
    cin >> m >> n >> r;
    for(int i = 1;i <= m;i ++) cin >> a[i];
    for(int i = 1;i <= n;i ++) cin >> b[i];
    for(int i = 1;i <= n;i ++) {
        for(int j = 1;j <= m;j ++) if(b[i] % a[j] == 0) num[i] ++;
        if(num[i] == m) {
            cout << i << endl;
            return 0;
        } 
    }
    for(int i = 1;i <= n;i ++) if(num[i] >= r) cout << i << " ";
    return 0;
}