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labs/lab3_done/Shapeifelse/Program.cs

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+using System;
+
+public class Program
+{
+    static void Main(string[] args)
+    {
+        Console.Write("x = ");
+        float x = float.Parse(Console.ReadLine());
+
+        Console.Write("y = ");
+        float y = float.Parse(Console.ReadLine());
+
+        if (x * x + y * y < 9 && y > 0)
+        {
+            Console.WriteLine("Внутри");
+        } 
+        else if (x * x + y * y > 9 || y < 0) 
+        {
+            Console.WriteLine("вне");
+        }
+        else
+        {
+            Console.WriteLine("на границе");
+        }
+
+    }
+}