#include <iostream>
using namespace std;int produs(int n){int d, p;bool ok; d = 2; p = 1; while(n != 1) { ok = false; if(d * d > n) {p = p * n; n = 1;} while(n % d == 0) { n = n / d; ok = true; } if(ok) p *= d; d++; } return p;}int main(){ int a, b, c; cin >> a >> b >> c; if(produs(a) == produs(b) && produs(a) == produs(c)) cout << "DA"; else cout << "NU";}