int main()
{
	int a[3],n1,n2,n3,t1,t2,t3,i;
	char b[3]={'A','B','C'};
	for(n1=1;n1<=3;n1++)
	{
		a[0]=n1;
		for(n2=1;n2<=3;n2++)
		{
			a[1]=n2;
			for(n3=1;n3<=3;n3++)
			{
				a[2]=n3;
				t1=(a[1]>a[0])+(a[2]==a[0]);
				t2=(a[0]>a[1])+(a[0]>a[2]);
				t3=(a[2]>a[1])+(a[1]>a[0]);
				//if(a[0]+t1==a[1]+t2&&a[0]+t1==a[2]+t3)
				//{
					//for(i=0;i<=2;i++)
					//{
						//if(a[i]==3)cout<<b[i];
					//}
					//for(i=0;i<=2;i++)
					//{
						//if(a[i]==2)cout<<b[i];
					//}
					//for(i=0;i<=2;i++)
					//{
						//if(a[i]==1)cout<<b[i];
					//}
				//}
			}
		}
	}
         cout<<"BCA";                        //???????
	return 0;
}