#include
using namespace std;
int main() {
int a[1000]={0};
int n;
cin>>n;
for(int i=0;i<n;i++){
cin>>a[i];
}
int i=0;
int j=n-1;
int count=0;
while(i<j){
if(a[i]==a[j]){
count++;
if(count==n/2){
cout<<“true”;
}
}else{
cout<<“false”;
}
i++;
j–;
}
if(n==0 || n==1){
cout<<“true”;
}
return 0;
}