diff --git a/day4.cs b/day4.cs
new file mode 100644
index 0000000..61947f8
--- /dev/null
+++ b/day4.cs
@@ -0,0 +1,14 @@
+class Field{
+    
+    string[,] bingoField = new string[5,5];
+
+    public Field(string[,] bingoField){
+        this.bingoField = bingoField;
+    }
+    public void markNumber(string markNumber){
+         int row = 5;
+         int columnn = 5;
+
+         
+    }
+    }
\ No newline at end of file