static boolean isProduct ( int num ) {
  int cnt = 0 ;
  for ( int i = 2 ;
  cnt < 2 && i * i <= num ;
  ++ i ) {
    while ( num % i == 0 ) {
      num /= i ;
      ++ cnt ;
    }
  }
  if ( num > 1 ) ++ cnt ;
  return cnt == 2 ;
}

static boolean isProduct ( int num ) { int cnt = 0 ; for ( int i = 2 ; cnt < 2 && i * i <= num ; ++ i ) { while ( num % i == 0 ) { num /= i ; ++ cnt ; } } if ( num > 1 ) ++ cnt ; return cnt == 2 ; }
(method_declaration (modifiers) type: (boolean_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: (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: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) update: (update_expression (identifier)) body: (block (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (update_expression (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier)))) (return_statement (binary_expression left: (identifier) right: (decimal_integer_literal)))))