public static void main ( String [ ] args ) throws IOException {
  int a , b ;
  String [ ] input = new String [ 2 ] ;
  input = br . readLine ( ) . split ( " " ) ;
  a = Integer . parseInt ( input [ 0 ] ) ;
  b = Integer . parseInt ( input [ 1 ] ) ;
  int min = Math . min ( a , b ) ;
  int ans = 1 ;
  for ( int i = 1 ;
  i <= min ;
  i ++ ) {
    ans = ans * i ;
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) throws IOException { int a , b ; String [ ] input = new String [ 2 ] ; input = br . readLine ( ) . split ( " ▁ " ) ; a = Integer . parseInt ( input [ 0 ] ) ; b = Integer . parseInt ( input [ 1 ] ) ; int min = Math . min ( a , b ) ; int ans = 1 ; for ( int i = 1 ; i <= min ; i ++ ) { ans = ans * i ; } System . out . println ( ans ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (local_variable_declaration type: (array_type element: (type_identifier) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (type_identifier) dimensions: (dimensions_expr (decimal_integer_literal))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (string_literal))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))