static int fla ( int p , int q ) {
  int ti = 2 * q - p ;
  int tj = 2 * p - q ;
  if ( ti % 3 != 0 || tj % 3 != 0 ) return 0 ;
  ti /= 3 ;
  tj /= 3 ;
  return 0 ;
}

static int fla ( int p , int q ) { int ti = 2 * q - p ; int tj = 2 * p - q ; if ( ti % 3 != 0 || tj % 3 != 0 ) return 0 ; ti /= 3 ; tj /= 3 ; return 0 ; }
(method_declaration (modifiers) type: (integral_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: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) consequence: (return_statement (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (return_statement (decimal_integer_literal))))