static int replaceDigit ( int x , int d1 , int d2 ) {
  int result = 0 , multiply = 1 ;
  while ( x % 10 > 0 ) {
    int remainder = x % 10 ;
    if ( remainder == d1 ) result = result + d2 * multiply ;
    else result = result + remainder * multiply ;
    multiply *= 10 ;
    x = x / 10 ;
  }
  return result ;
}

static int replaceDigit ( int x , int d1 , int d2 ) { int result = 0 , multiply = 1 ; while ( x % 10 > 0 ) { int remainder = x % 10 ; if ( remainder == d1 ) result = result + d2 * multiply ; else result = result + remainder * multiply ; multiply *= 10 ; x = x / 10 ; } return result ; }
(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)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier))))) alternative: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (return_statement (identifier))))