static void Main(string[] args)
Console.WriteLine("enter 3 numbers");
double num1 = double.Parse(Console.ReadLine());
double num2 = double.Parse(Console.ReadLine());
double num3 = double.Parse(Console.ReadLine());
if (num1 <= num2 && num1 <= num3)
else if (num2 <= num1 && num2 <= num3)
Console.WriteLine("enter 3 numbers");
double a = double.Parse(Console.ReadLine());
double b = double.Parse(Console.ReadLine());
double c = double.Parse(Console.ReadLine());
static void Main(string[] args)
Console.WriteLine("insert a number");
double num = double.Parse(Console.ReadLine());
Console.WriteLine((num >= 0) ? num : -num);
static void Main(string[] args)
Console.WriteLine("enter the sum of all costs");
double sumOfCosts = double.Parse(Console.ReadLine());
Console.WriteLine("enter the amount of money given to the cashier");
double moneyGiven = double.Parse(Console.ReadLine());
double excess = moneyGiven - sumOfCosts;
int shekels200 = (int)excess / 200;
int shekels100 = (int)excess % 200 / 100;
int shekels50 = (int)excess % 200 % 100 / 50;
int shekels20 = (int)excess % 200 % 100 % 50 / 20;
int shekels10 = (int)excess % 200 % 100 % 50 % 20 / 10;
int shekels5 = (int)excess % 200 % 100 % 50 % 20 % 10 / 5;
int shekels2 = (int)excess % 200 % 100 % 50 % 20 % 10 % 5 / 2;
int shekels1 = (int)excess % 200 % 100 % 50 % 20 % 10 % 5 % 2 / 1;
int shekels05 = (int)(excess % 1 / 0.5);
int shekels01 = (int)(excess % 1 % 0.5 / 0.1);
Console.WriteLine((shekels200 != 0) ? shekels200 + " bills of 200" : "");
Console.WriteLine((shekels100 != 0) ? shekels100 + " bills of 100" : "");
Console.WriteLine((shekels50 != 0) ? shekels50 + " bills of 50" : "");
Console.WriteLine((shekels20 != 0) ? shekels20 + " bills of 20" : "");
Console.WriteLine((shekels10 != 0) ? shekels10 + " coins of 10" : "");
Console.WriteLine((shekels5 != 0) ? shekels5 + " coins of 5" : "");
Console.WriteLine((shekels2 != 0) ? shekels2 + " coins of 2" : "");
Console.WriteLine((shekels1 != 0) ? shekels1 + " coins of 1" : "");
Console.WriteLine((shekels05 != 0) ? shekels05 + " coins of 0.5" : "");
Console.WriteLine((shekels01 != 0) ? shekels01 + " coins of 0.1" : "");
Console.WriteLine("you should've payed more");