#include #define syosu(x) fixed< P; typedef pair pdd; typedef pair pll; typedef vector vi; typedef vector vvi; typedef vector vd; typedef vector vvd; typedef vector vl; typedef vector vvl; typedef vector vs; typedef vector

vp; typedef vector vvp; typedef vector vpll; typedef pair pip; typedef vector vip; const int inf=1<<30; const ll INF=1ll<<60; const double pi=acos(-1); const double eps=1e-9; const ll mod=1e9+7; const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0}; int n,x,y; vi a; int main(){ cin>>n; a=vi(n); bool B=0; for(int i=0;i>a[i]; sort(a.begin(),a.end()); cin>>x>>y; if(!x&&!y){ cout<<0<