#include<bits/stdc++.h>
#define ll long long
#define vi vector<int>
#define vll vector<ll>
#define eb emplace_back
#define pb push_back
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define sz(v) ((int)v.size())
#define pii pair<int,int>
#define pll pair<ll,ll>
#define fi first
#define se second
#define umap unordered_map
#define uset unordered_set
#define mset multiset
#define ui unsigned int
#define ull unsigned ll
#define i128 __int128
using namespace std;

namespace qiqi {
	const int N = 12000;
	using B = bitset<N>;
	void main() {
		int n;
		cin >> n;
		vector<B> vec(n+1);
		for (int i = 0; i < n+1; i++) {
			string s;
			cin >> s;
			for (int j = 0; j < sz(s); j++) {
				for (int k = 0; k < 6; k++) {
					if (((s[j]-33)>>k)&1) {
						vec[i].set(j*6+k);
					}
				}
			}
		}
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < i; j++) {
				if ((vec[i]&vec[j]).count() >= n/2) {
					cout << i+1 << ' ' << j+1 << '\n';
					return;
				}
			}
		}
	}
}

int main() {
//	clock_t st = clock();
//	freopen("test.in","r",stdin);
//	freopen("test.out","w",stdout);
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int T = 1;
//	cin >> T;
	while (T--) {
		qiqi::main();
	}

//	cout << (double)(clock()-st)/CLOCKS_PER_SEC;
	return 0;
}