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- #include <bits/stdc++.h>
- using namespace std;
- int f[3005];
- int main()
- {
- int n,x;
- cin>>n;
- for(int i=1;i<=n;i++)
- {
- cin>>x;
- f[x]++;
- }
- if(f[2020]>=1)
- cout<<"DA";
- else if(f[1010]>=1 && f[2]>=1)
- cout<<"DA";
- else if(f[505]>=1 && f[4]>=1)
- cout<<"DA";
- else if(f[505]>=1 && f[2]>=2)
- cout<<"DA";
- else if(f[101]>=1 && f[20]>=1)
- cout<<"DA";
- else if(f[101]>=1 && f[5]>=1 && f[4]>=1)
- cout<<"DA";
- else if(f[101]>=1 && f[5]>=1 && f[2]>=2)
- cout<<"DA";
- else if(f[101]>=1 && f[10]>=1 && f[2]>=1)
- cout<<"DA";
- else if(f[202]>=1 && f[10]>=1)
- cout<<"DA";
- else if(f[202]>=1 && f[5]>=1 && f[2]>=1)
- cout<<"DA";
- else if(f[404]>=1 && f[5]>=1)
- cout<<"DA";
- else
- cout<<"NU";
- return 0;
- }
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