#include <bits/stdc++.h>

using namespace std;

bool judge(const pair<int, int> a, const pair<int, int> b) {
    if (a.second != b.second) return a.second > b.second;
    else
        return a.first < b.first;
}

int main() {
    //输入+输出重定向
    freopen("../1292.txt", "r", stdin);
    int n;
    cin >> n;
    vector<vector<char>> a(n + 1, vector<char>(n + 1));
    vector<pair<int, int>> p;
    for (int i = 1; i <= n; i++) {
        int sum = 0;
        for (int j = 1; j <= n; j++) {
            cin >> a[i][j];
            if (a[i][j] == 'W')sum += 3;
            if (a[i][j] == 'D') sum += 1;
        }
        p.push_back({i, sum});
    }
    //按value排序，如果value一样，按key排序
    sort(p.begin(), p.end(), judge);
    //输出得分最高
    int maxN = p[0].second;
    cout << p[0].first << " ";
    for (int i = 1; i < n; i++) {
        if (p[i].second == maxN) cout << p[i].first << " ";
    }
    //关闭文件
    fclose(stdin);
    return 0;
}