#include<stdio.h>
#include<math.h>

int gcd(int n,int m){
	int tmp;
	while (n%m) {
		n%=m;
		if (n<m) tmp=n,n=m,m=tmp;
	}
	return m;
}

int main() {
	int n1,n2,i,a1,a2=1,k;
	scanf("%d",&n1);
	scanf("%*c%d",&a1);
	while (--n1) {
		scanf("%*c%d",&k);
		a2*=k;
		k=gcd(a1,a2);
		a1/=k;a2/=k;
	}
	scanf("%*c%d",&n2);
	for (n1=0;n1<n2;n1++) {
		scanf("%*c%d",&k);
		if(n1%2==0)
			a2*=k;
		else 
			a1*=k;
		k=gcd(a1,a2);
		a1/=k;a2/=k;
	}
	//if (a2<0) a1*=-1,a2*=-1;
	printf("%d %d\n",a1,a2);
	return 0;
}