#include <bits/stdc++.h>
using namespace std;
int n;
struct Need_save
{
    string name;
    int sos_num = 0;
}save[110];

struct Max
{
    int num = 0, xiabiao[110] = {0}, save_num = 0;
}max1;

int main()
{
    freopen("noi_online2020_save.in","r",stdin);
    freopen("noi_online2020_save.out","w",stdout);
    cin >> n;
    for(int i = 1; i <= n; ++i)
    {
        char sign[100000];
        cin >> save[i].name >> sign;
        for(int j = 0; j <= strlen(sign); ++j)
        {
            if(sign[j] == 's' && sign[j + 1] == 'o' && sign[j + 2] == 's') ++save[i].sos_num;
        }
    }
    for(int i = 1; i <= n; ++i)
    {
        if(save[i].sos_num > max1.num)
        {
            max1.num = save[i].sos_num;
            max1.save_num = 1;
            max1.xiabiao[max1.save_num] = i;
        }
        else if(save[i].sos_num == max1.num)
        {
            ++max1.save_num;
            max1.xiabiao[max1.save_num] = i;
        }
    }
    for(int i = 1; i <= max1.save_num; ++i)
    {
        cout << save[max1.xiabiao[i]].name << " ";
    }
    cout << endl << save[max1.xiabiao[1]].sos_num << endl;
    return 0;
}