| using namespace std; | |
| int carmichael_number[15] = {561, 1105, 1729, 2465, 2821, 6601, 8911, 10585, 15841, 29341, 41041, 46657, 52633, 62745, 63973}; | |
| int main() | |
| { | |
| int n; | |
| while( cin >> n && n ) | |
| { | |
| bool flag = false; | |
| for(int i=0 ; i<15 ; i++) | |
| if( n==carmichael_number[i] ) | |
| flag = true; | |
| if( flag ) cout << "The number " << n << " is a Carmichael number." << endl; | |
| else cout << n << " is normal." << endl; | |
| } | |
| return 0; | |
| } | |