#include <iostream>
using namespace std;
#define TRUE 1
#define FALSE -1
int main() {
int n;
char adevar;
cin >> n;
adevar = TRUE;
while (n) {// este acelasi lucru ca while (n != 0)
if (n % 2) {
adevar = FALSE;
}
n /= 10;
}
if (adevar == TRUE) {
cout << "DA\n";
} else {
cout << "NU\n";
}
return 0;
}
