This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <iostream>
using namespace std;
int f[12], n, i, x, X, s1, s2, sum;
int main () {
    for (i=2;i<=11;i++)
        f[i] = 4;
    f[10] = 16;
    cin>>n;
    for (i=1;i<=n;i++) {
        cin>>x;
        sum += x;
        f[x] --;
    }
    X = 21-sum;
    for (i=2;i<=X;i++)
        s1 += f[i];
    for (i=X+1;i<=11;i++)
        s2 += f[i];
    if (s2 >= s1)
        cout<<"DOSTA\n";
    else
        cout<<"VUCI\n";
}
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