diff --git a/Lab3/White.cs b/Lab3/White.cs
index 15d74ea..420d931 100644
--- a/Lab3/White.cs
+++ b/Lab3/White.cs
@@ -9,7 +9,27 @@ public double Task1(int n)
             double averageHeight = 0;
 
             // code here
-
+// PROBLEM ONE---------------------------------------------------------------------------------------------------------------------------------------------START
+            
+            double answer = 0;
+
+            if (n > 0)
+            {
+                
+            for (int i = 1; i <=n; i++)
+                
+                {
+                    double height;
+                    double.TryParse(Console.ReadLine(), out height);
+                    answer += height;
+                }
+            
+            averageHeight = answer / n;   
+            
+            }
+
+
+//---------------------------------------------------------------------------------------------------------------------------------------------
             // end
 
             return averageHeight;
@@ -19,7 +39,22 @@ public double Task2(int n)
             double bestResult = 0;
 
             // code here
-
+// PROBLEM TWO---------------------------------------------------------------------------------------------------------------------------------------------START
+
+                bestResult = 1000000;
+            
+                for (int i = 1; i <= n; i++)
+                {
+                    double h;
+                    double.TryParse(Console.ReadLine(), out h);
+                    
+                    if (h < bestResult)
+                    {
+                        bestResult = h;
+                    }
+                }
+
+//---------------------------------------------------------------------------------------------------------------------------------------------
             // end
 
             return bestResult;
@@ -29,7 +64,19 @@ public int Task3(int n, double limit)
             int count = 0;
 
             // code here
-
+// PROBLEM THREE---------------------------------------------------------------------------------------------------------------------------------------------START
+
+            for (int i = 0; i < n; i++)
+                {
+                    double time = double.Parse(Console.ReadLine());
+                
+                    if (time <= limit)
+                        {
+                            count=count+1;
+                        }
+                }
+
+//---------------------------------------------------------------------------------------------------------------------------------------------
             // end
 
             return count;
@@ -39,7 +86,28 @@ public int Task4(int maxAmount)
             int hours = 0;
 
             // code here
-
+// PROBLEM FOUR---------------------------------------------------------------------------------------------------------------------------------------------START
+            
+            int amount = 0;
+            amount = int.Parse(Console.ReadLine());
+            
+            while (amount < maxAmount)
+            {
+                if (hours % 5 != 4)
+                {
+                    amount++;
+                }
+                
+                    else
+                    {
+                        amount -= 2;
+                    }
+                
+                hours++;
+            }
+
+            
+//---------------------------------------------------------------------------------------------------------------------------------------------
             // end
 
             return hours;
@@ -49,10 +117,29 @@ public double Task5(int r, int type)
             double area = 0;
 
             // code here
-
+// PROBLEM FIVE---------------------------------------------------------------------------------------------------------------------------------------------START
+
+            if (type == 1)
+                {
+                    area = r * r;
+                }
+            
+                else if (type == 2)
+                    {
+                        area = Math.PI * (r * r);
+                    }
+            
+                if (type == 3)
+                    {
+                        area = ((r * r) * Math.Sqrt(3)) / 4;
+                    }
+
+//---------------------------------------------------------------------------------------------------------------------------------------------
             // end
 
             return area;
         }
     }
-}
\ No newline at end of file
+
+}
+