#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    cin >> n;

    string s;
    int c[1010] = {};
    int ma = 0, ans = 0;
    for (int i = 0; i < n; i++) {
        cin >> s;
        int t = 0;
        for (auto x : s) {
            if (x != '^') continue;
            t++;
        }
        c[t]++;
        if (c[t] >= ma) {
            ma = c[t];
            ans = t;
        }
    }

    cout << ans << endl;

    return 0;
}