#include <bits/stdc++.h>
using namespace std;
int a,b[10000],big,sc;
string d[100001],c,s2c[1000001];
int main(){
	cin>>a;
	for(int o=1;o<=a;o++){
		cin>>d[o];
		cin>>c;
		for(int i=1;i<=c.length();i++){
			if(c[i-1]=='s'){
				if(c[i]=='o'){
					if(c[i+1]=='s'){
						b[o]++;
					}
				}
			}
		}
	}
	int i=1;
	for(int o=1;o<=a;o++){
		if(b[o]>=big){
			big=b[o];
			s2c[i]=d[o];
			i++;
		}
	}	
	for(int pp=1;pp<=i;pp++)
		cout<<s2c[pp]<<" ";
	cout<<endl<<big;
	return 0;
}