static boolean isSplittable ( int n , int m ) {
  int total_sum = ( n * ( n + 1 ) ) / 2 ;
  int sum_s1 = ( total_sum + m ) / 2 ;
  int sum_s2 = total_sum - sum_s1 ;
  if ( total_sum < m ) return false ;
  if ( sum_s1 + sum_s2 == total_sum && sum_s1 - sum_s2 == m ) return ( GCD ( sum_s1 , sum_s2 ) == 1 ) ;
  return false ;
}

static boolean isSplittable ( int n , int m ) { int total_sum = ( n * ( n + 1 ) ) / 2 ; int sum_s1 = ( total_sum + m ) / 2 ; int sum_s2 = total_sum - sum_s1 ; if ( total_sum < m ) return false ; if ( sum_s1 + sum_s2 == total_sum && sum_s1 - sum_s2 == m ) return ( GCD ( sum_s1 , sum_s2 ) == 1 ) ; return false ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (return_statement (false))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)))) consequence: (return_statement (parenthesized_expression (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))) right: (decimal_integer_literal))))) (return_statement (false))))