#include <iostream>
#include<vector>
using namespace std;
class Fraction{
long long x, y;
char c;
public:
Fraction(long long _x=0, long long _y=1):x(_x), y(_y){}
Fraction operator+(Fraction & n2){
        long long new_x =x*n2.y+y*n2.x;
        long long new_y=y*n2.y;
        Fraction new_num(new_x, new_y);

        return new_num;
}
Fraction operator+(long long);
friend Fraction operator + (long long, const Fraction &);
friend istream & operator>>(istream &, Fraction &);
friend ostream & operator<<(ostream &, const Fraction &);
void show();
void read();
};

istream & operator>>(istream  & inp, Fraction & f){
        char c;
        inp >> f.x>>c>>f.y;
        return inp;
}

ostream & operator<<(ostream  & out, const Fraction & f){
        out << f.x<<"/"<<f.y;
        return out;
}

Fraction operator + (long long n, const Fraction & f){
        return (f.x + n*f.y, f.y);
}
Fraction Fraction::operator+(long long n){
        return Fraction(this->x+n*this->y, this->y);
}
void Fraction::read(){cin >> x >> c >> y;}
void Fraction::show(){cout<<x<<"/"<<y;}

void print(vector<int> v){
         int max = v[0];
    for (int i = 0; i < v.size(); ++i) {
        if (v[i] > max) {
            max = v[i];
        }
    }
cout << max << " ";

}

void printy(vector<char> v){
           char max = v[0];
    for (int i = 0; i < v.size(); ++i) {
        if (v[i] > max) {
            max = v[i];
        }
    }
cout << max << " ";

}

void printyz(vector<Fraction> v){
       /*    Fraction max = v[0];
    for (int i = 0; i < v.size(); ++i) {
        if (v[i] > max) {
            max = v[i];
        }
cout << max << " ";
}

*/
}
int main() {
    Fraction f;
int n, t;
vector<int> a;
cin >> n;
for (int i = 0; i < n; i++) {
cin >> t;
a.push_back(t);
}

int ny;char ty;
vector<char> arr;
cin >> ny;
for (int i = 0; i < ny; i++) {
cin >> ty;
arr.push_back(ty);
}

int nyz;
Fraction tyz;
vector<Fraction> arrd;
cin >> nyz;
for (int i = 0; i < nyz; i++) {
cin >> tyz;
arrd.push_back(tyz);
}

print(a);cout<<endl;
printy(arr);cout<<endl;
printyz(arrd);

}