#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;

struct Frac {
    using T = long long;
    T num, denom;   // numerator / denominator
    T gcd(T a, T b) { return b ? gcd(b, a % b) : a; }
    Frac(T num = 0, T denom = 1) : num(num), denom(denom) { normalize(); }
    void normalize() {
        if (denom < 0) num = -num, denom = -denom;
        T d = gcd(abs(num), abs(denom)); num /= d, denom /= d;
    }
    double to_double() const { return 1.0 * num / denom; }
    Frac &operator+=(const Frac &r) {
        num = num * r.denom + r.num * denom, denom = denom * r.denom;
        normalize(); return *this; }
    Frac &operator-=(const Frac &r) {
        num = num * r.denom - r.num * denom, denom = denom * r.denom;
        normalize(); return *this; }
    Frac &operator*=(const Frac &r) { num = num * r.num, denom = denom * r.denom;
        normalize(); return *this; }
    Frac &operator/=(const Frac &r) { num = num * r.denom, denom = denom * r.num;
        normalize(); return *this; }
    Frac operator-() { num *= -1; return *this; }
    Frac operator+(const Frac &r) const { return Frac(*this) += r; }
    Frac operator-(const Frac &r) const { return Frac(*this) -= r; }
    Frac operator*(const Frac &r) const { return Frac(*this) *= r; }
    Frac operator/(const Frac &r) const { return Frac(*this) /= r; }
    bool operator==(const Frac r) const { return num * r.denom == r.num * denom; }
    bool operator!=(const Frac r) const { return num * r.denom != r.num * denom; }
    bool operator< (const Frac r) const { return num * r.denom <  r.num * denom; }
    bool operator> (const Frac r) const { return num * r.denom <  r.num * denom; }
    bool operator<=(const Frac r) const { return num * r.denom <  r.num * denom; }
    bool operator>=(const Frac r) const { return num * r.denom <  r.num * denom; }
    friend ostream& operator<<(ostream &os, const Frac& f) {
        return os << f.num << "/" << f.denom; }
    friend istream& operator>>(istream &is, Frac& f) { return is >> f.num >> f.denom; }
};

int main() {
    int n; cin >> n;
    vector<Frac> v(n);
    for (Frac &f: v) cin >> f;
    sort(v.rbegin(), v.rend());
    for (Frac f: v) cout << f.num << " " << f.denom << endl;
    return 0;
}