import 'dart:io';

String input(String message ){
  stdout.write(message);
  return stdin.readLineSync();
}

void main() {
  var salary = double.parse( input("Enter Salary : ")) ;

  var bonus = double.parse(input("Enter Bonus : "));

  var spouse = double.parse(input("Enter Spouse : "));

  var children = double.parse(input("Enter Children : "));

  print("--------------------------------------------------------");

  var familyCount  = spouse + children;
  var familyCost = familyCount * 150000;
  print("family : ${familyCount} * 150000 = ${familyCost}");

  var noFamilySalary = salary - familyCost;
  print("salary = ${salary} - ${familyCost} = ${noFamilySalary}");

  var tax1 = noFamilySalary * 0.1 -160000;
  print("Tax 1 = ${noFamilySalary} * 0.1 - 160000 = ${tax1}");

  var tax2 = bonus * 0.2 ;
  print("Tax 2 = ${bonus} * 0.2 = ${tax2}");

  var taxSum = tax1 + tax2;
  print("Tax = ${tax1} + ${tax2} = ${taxSum}");

  var lastSalary = salary + bonus - taxSum;
  print("Last Salary = ${salary} + ${bonus} - ${taxSum} = ${lastSalary}");


}