Driver code
int main ( ) { ll a = 4 , b = 2 , c = 2 ; cout << ( can_empty ( a , b , c ) ? " true " : " false " ) << endl ; a = 3 , b = 4 , c = 2 ; cout << ( can_empty ( a , b , c ) ? " true " : " false " ) << endl ; return 0 ; }