Lang:G++
Edit12345678910111213141516171819202122232425#include <cstdio>int a[10005];int main(){int n;int sum1, sum2 ,ans;while(~scanf("%d",&n)){sum1=sum2=ans=0;for(int i=0;i<n;i++){scanf("%d",&a[i]);if(a[i]>=2) sum1++;else sum2++;ans^=a[i];}if(ans!=0 && sum1!=0 || ans==0 && sum1==0)printf("Alice\n");else if(ans==0 && sum1>=2 || ans!=0 && sum2%2!=0 && sum1==0)printf("Bob\n");}return 0;}