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#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>

using namespace std;

int n,min1=2000,sum=0,a;

main()
{
cin>>n;
for(int i=0; i<n; i++){
	cin>>a;
	sum+=a;
	if(a%2==1) min1=min(min1,a);
}
if(n==1){
	if(sum%2==1) cout<<"NIESTETY"<<endl;
	else cout<<sum<<endl;	
}
else{
	if(sum%2==1) cout<<sum-min1<<endl;
	else cout<<sum<<endl;
}
return 0;
}