static int largestCoprime ( int N ) {
  int half = ( int ) ( N / 2 ) ;
  while ( coPrime ( N , half ) == false ) half -- ;
  return half ;
}

static int largestCoprime ( int N ) { int half = ( int ) ( N / 2 ) ; while ( coPrime ( N , half ) == false ) half -- ; return half ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (while_statement condition: (parenthesized_expression (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))) right: (false))) body: (expression_statement (update_expression (identifier)))) (return_statement (identifier))))