#include <iostream>
using namespace std; // consider removing this line in serious projects
int main() {
int nr1, nr2, nr3, nr4;
cin >> nr1 >> nr2 >> nr3 >> nr4; //Citesc patru variabile de la tastiera
if (nr1 == nr2 == nr3 == nr4) {
cout << "Nemonoton";
}
else if (nr1 <= nr2 <= nr3 <= nr4) {
cout << "Crescator";
}
else if (nr1 >= nr2 >= nr3 >= nr4) {
cout << "Descrescator";
}else{
cout << "Nemonoton";
}
return 0;
}
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