public static void main ( String [ ] args ) {
  int number = sc . nextInt ( ) + 1 ;
  int temp = sc . nextInt ( ) ;
  String s = "" ;
  String c = "C" , m = "M" , y = "Y" ;
  while ( number > 0 ) {
    s = s + sc . nextLine ( ) ;
    number -- ;
  }
  if ( s . contains ( c ) || s . contains ( m ) || s . contains ( y ) ) {
    System . out . println ( "#Color" ) ;
  }
  else {
    System . out . println ( "#Black&White" ) ;
  }
}

public static void main ( String [ ] args ) { int number = sc . nextInt ( ) + 1 ; int temp = sc . nextInt ( ) ; String s = " " ; String c = " C " , m = " M " , y = " Y " ; while ( number > 0 ) { s = s + sc . nextLine ( ) ; number -- ; } if ( s . contains ( c ) || s . contains ( m ) || s . contains ( y ) ) { System . out . println ( " # Color " ) ; } else { System . out . println ( " # Black & White " ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal)) declarator: (variable_declarator name: (identifier) value: (string_literal)) declarator: (variable_declarator name: (identifier) value: (string_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) (expression_statement (update_expression (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))