#include <cstdio>
#include <stdio.h>
#include <stdbool.h>
#include <iostream>
#include <map>
#include <vector>
#include <climits>
#include <stack>
#include <string>
#include <queue>
#include <algorithm>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cmath>
#include <cctype>
#include <bitset>
#include <iomanip>
#include <cstring>
#include <numeric>
#include <cassert>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;
#define int long long
#define pii pair<int, int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, sum=21, a;
vector<int> vect(12, 4);
vect[10]=16;
cin>>n;
int c1=0, c2=0;
while (n--)cin>>a, sum-=a, --vect[a];
for (int i=1; i<=sum; ++i)c1+=vect[i];
for (int i=sum+1; i<=11; ++i)c2+=vect[i];
if (c1>c2)cout<<"VUCI";
else cout<<"DOSTA";
}
