#include <iostream> using namespace std; bool bears(int n); int main(){ int number; do{ cout<<"enter the amount of bears (press 0 to stop the program): "; cin>>number; if (bears(number)){ cout<<"you have reached the goal!"<<endl; } else{ cout<<"sorry, you have not reached the goal."<<endl; } }while(number != 0); } bool bears(int n){ if (n < 42){ return false; } else if (n == 42){ return true; } else{ if (n % 5 == 0){ return bears(n - 42); } else if(n % 2 == 0){ return bears(n / 2); } else if(n % 4 == 0|| n % 3 == 0) { int one; int two; one=n%10; two=(n%100)/10; return bears(n - one * two); } } }