#include <iostream>
using namespace std;
int main() {
int a, b, c, x, test = 0, copie, cifre = 0, prima;
cout << "Introduceti a,b,c,x : ";
cin >> a >> b >> c >> x;
copie = x;
//Aflam cate cifre are x
while (x > 0) {
x = x / 10;
cifre = cifre + 1;
if (x < 10 && x != 0) prima = x; // Salvam prima cifra in variabila "prima"
}
x = copie;
if (cifre == a) test++; // Verificam daca numarul are a cifre
if (prima == b) test++; // Verificam daca prima cifra a b
if (x % 10 == c) test++; // Verificam daca ultima cifra e c
if (test == 3) cout << "Da";
else cout << "Nu";
}