#include<stdio.h>



	intmain(){



	    longlongi,n,j,ou = 0,ji = 0,num = 0;



	    scanf("%lld",&n);



	    inta[n];



	    for(i = 0;i < n ;i++){



	        scanf("%d",&j);



	        if(j>1){



	            if(j%2){



	                ji++;



	            }else{



	                ou++;



	            }



	        }



	    }



	    ou = ji+ou;



	    num = ji;



	    while(ou>1){



	        num+=(ou/2);



	        ou = ou/2+ou%2;



	        num%=2;



	    }



	    if(num){



	        printf("Alice");



	    }else{



	        printf("Bob");



	    }



	}