
int main()
{
 	int A, B, C,shu[3],m;
 	char fan[] = {'A','B','C'},n;
 	int a, b, c;
 	
 	for( A = 1; A < 4; A++)
 	{
	 	 for ( B = 1; B < 4; B++)
	 	 {
		  	 for ( C = 1; C < 4; C++)
		  	 {
			  	 shu[0] = (A < B) + (A == C);
			  	 shu[1] = (B < A) + (A > C);
			  	 shu[2] = (C > B) + (B > A);

			 	 if ( ( A - B ) * ( shu[0] - shu[1] ) < 0 &&
				  	   ( A - C ) * ( shu[0] - shu[2] ) < 0 &&
					    ( B - C ) * ( shu[1] - shu[2] ) < 0  )
				  	 {
					  		  for ( int i = 0; i < 2; i++)
								 {
								  	 for (int k = 0; k < 2-i; k++)
								  	 {
									  	 if(shu[k] < shu[k+1])
									  	 {
							 		        m = shu[k];
							 		        shu[k] = shu[k+1];
							 		        shu[k+1] = m;
							 		        
							 		        n = fan[k];
							 		        fan[k] = fan[k+1];
							 		        fan[k+1] = n;
							 		   
										 }
								 	  
									  }
								 
								 }

								  cout << fan[0] << fan[1] << fan[2] << endl;
			  		 
					 }
		  
				  	   		 
		  	 }
	   
	      }
	 
	 }
	 
	 
	 return 0;
 	
}