#include<iostream.h>
#include<fstream.h>
ifstream f("vraji.in");
ofstream g("vraji.out");
int n,i,p,v,c[100],k,max;
int main()
{
	f>>n;
	for(i=1;i<=n;i++)
		{
			f>>p>>v;
			k++;
			c[k]=p*v;
		}
	for(i=1;i<=n;i++)
		{
			if(c[i]>max)
				max=c[i];
		}
	for(i=1;i<=n-1;i++)
		{
			while(c[i]!=c[i+1])
				{
					if(c[i]>c[i+1])
						c[i]=c[i]-c[i+1];
					else
						c[i+1]=c[i+1]-c[i];
				}
		}
		
	
	g<<max<<'\n'<<c[i]<<'\n';
}