#include<bits/stdc++.h>
using namespace std;

using uint = unsigned int;
using ll = long long;

#define TYPE_OF( VAR ) remove_const<remove_reference<decltype( VAR )>::type >::type
#define UNTIE ios_base::sync_with_stdio( false ); cin.tie( nullptr ) 
#define CIN( LL , A ) LL A; cin >> A 
#define ASSERT( A , MIN , MAX ) assert( MIN <= A && A <= MAX ) 
#define CIN_ASSERT( A , MIN , MAX ) CIN( TYPE_OF( MAX ) , A ); ASSERT( A , MIN , MAX ) 
#define GETLINE( A ) string A; getline( cin , A ) 
#define GETLINE_SEPARATE( A , SEPARATOR ) string A; getline( cin , A , SEPARATOR ) 
#define FOR( VAR , INITIAL , FINAL_PLUS_ONE ) for( TYPE_OF( FINAL_PLUS_ONE ) VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) 
#define FOREQ( VAR , INITIAL , FINAL ) for( TYPE_OF( FINAL ) VAR = INITIAL ; VAR <= FINAL ; VAR ++ )  
#define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) 
#define REPEAT( HOW_MANY_TIMES ) FOR( VARIABLE_FOR_REPEAT , 0 , HOW_MANY_TIMES ) 
#define QUIT return 0 
#define RETURN( ANSWER ) cout << ( ANSWER ) << "\n"; QUIT 
#define DOUBLE( PRECISION , ANSWER ) cout << fixed << setprecision( PRECISION ) << ( ANSWER ) << "\n"; QUIT 
#define MIN( A , B ) A < B ? A : B;
#define MAX( A , B ) A < B ? B : A;
#define RESIDUE( A , P ) ( A >= 0 ? A % P : P - ( - A - 1 ) % P - 1 )

template <typename T> inline T Absolute( const T& a ){ return a > 0 ? a : - a; }

int main()
{
  UNTIE;
  constexpr const ll bound = 1000000000;
  CIN_ASSERT( X , 1 , bound );
  CIN_ASSERT( Y , 1 , bound );
  CIN_ASSERT( K , 1 , X + Y - 1 );
  ll s = ( X + Y ) - K;
  CIN( int , P );
  if( P == 1 ){
    if( s % 2 == 1 ){
      RETURN( ( Y <= s / 2 + 1 || X > s / 2 || K % 2 == 0 ) ? "Alice" : "Bob" );
    }
    RETURN( ( Y <= s / 2 || ( X <= s / 2 && K % 2 == 0 ) ) ? "Alice" : "Bob" );
  }
  if( s % 2 == 1 ){
    RETURN( ( Y > s / 2 && ( X > s / 2 || K % 2 == 1 ) ) ? "Alice" : "Bob" );
  }
  RETURN( ( Y > s / 2 && ( X <= s / 2 && K % 2 == 1 ) ) ? "Alice" : "Bob" );
}