#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;

#ifdef WAIMAI
#define debug(HEHE...) cout<<"["<<#HEHE<<"] : ",dout(HEHE)
void dout(){cout<<'\n';}
template<typename T,typename...U>
void dout(T t,U...u){cout<<t<<(sizeof...(u)?", ":""),dout(u...);}
#else
#define debug(...) 7122
#endif

#define int long long
#define ll long long
#define Waimai ios::sync_with_stdio(false),cin.tie(0)
#define FOR(x,a,b) for(int x=a,I=b;x<=I;x++)
#define pb emplace_back
#define F first
#define S second

void solve() {
    int n;
    cin >> n;
    int ans = 1e9;
    FOR (i, 1, n) {
        int x, y;
        cin >> x >> y;
        ans = min (ans, y / x);
    }
    cout << ans << '\n';
}

int32_t main() {
    Waimai;
	solve();
}