#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<algorithm>
#include<cstring>
using namespace std;
long long n;
struct man1{
long long a,b,m;
}man[1001];
int cmp(const man1 &a,const man1 &b)
{
//if(a.m==b.m)return a.b<b.b;
return a.m<=b.m;
}
void cheng(int a)
int main()
{
cin>>n;
long long ka,godb;
cin>>ka>>godb;
for(int i=1;i<=n;i++)
{
cin>>man[i].a>>man[i].b;
man[i].m=man[i].a*man[i].b;
}
sort(man+1,man+n+1,cmp);
long long maxx=0;
/*for(int i=1;i<=n;i++)
{
cout<<man[i].a<<' '<<man[i].b<<endl;
}*/
for(int i=1;i<=n;i++)
{
maxx=max(maxx,ka/man[i].b);
ka=ka*man[i].a;
}
cout<<maxx;
return 0;
}
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<algorithm>
#include<cstring>
using namespace std;
long long n;
struct man1{
long long a,b,m;
}man[1001];
int cmp(const man1 &a,const man1 &b)
{
//if(a.m==b.m)return a.b<b.b;
return a.m<=b.m;
}
void cheng(int a)
int main()
{
cin>>n;
long long ka,godb;
cin>>ka>>godb;
for(int i=1;i<=n;i++)
{
cin>>man[i].a>>man[i].b;
man[i].m=man[i].a*man[i].b;
}
sort(man+1,man+n+1,cmp);
long long maxx=0;
/*for(int i=1;i<=n;i++)
{
cout<<man[i].a<<' '<<man[i].b<<endl;
}*/
for(int i=1;i<=n;i++)
{
maxx=max(maxx,ka/man[i].b);
ka=ka*man[i].a;
}
cout<<maxx;
return 0;
}