#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; long long a(int x,int n,int t,int y){ int r; r=t/n; for(int i=1;i<=x;i++){ y*=r; } return y/r; } int main(){ long long x,n,t,y; cin>>x>>y; for(int i=1;i<=x-3;i++){ cin>>n; } cin>>t; cout<<a(x,n,t,y); return 0;