#include <iostream>
using namespace std;
bool hasSixDigits(const int &nr) {
return (nr >= 100000 && nr <= 999999) || (nr >= -999999 && nr <= -100000);
}
int main() {
int n;
cin >> n;
if (hasSixDigits(n)) {
cout << "DA";
}
return 0;
}
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