diff --git a/main.py b/main.py
index 71a3166..e14c645 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,61 @@
 def solution():
     pass
 
+    import sys
+    user_input = input("Enter an ip address, press 'x' to exit: ")
+    if user_input == 'x' or user_input == 'X':
+        sys.exit()
+    ip_with_mask = user_input.split('/')
+    ip_split = ip_with_mask[0].split('.')
+
+    ip_first_part = int(ip_split[0])
+    ip_second_part = int(ip_split[1])
+    ip_threed_part = int(ip_split[2])
+    ip_fourth_part = int(ip_split[3])
+
+    if ip_first_part < 1 or ip_first_part > 255:
+        print('Invalid IP Address')
+        sys.exit()
+    elif ip_second_part < 0 or ip_second_part > 255:
+        print('Invalid IP Address')
+        sys.exit()
+    elif ip_threed_part < 0 or ip_threed_part > 255:
+        print('Invalid IP Address')
+        sys.exit()
+    elif ip_fourth_part < 0 or ip_fourth_part > 255:
+        print('Invalid IP Address')
+        sys.exit()
+
+    if ip_first_part in range(1, 128):
+        if ip_first_part == 10:
+            print('Class: A, Designation: Private')
+        elif ip_first_part == 127:
+            print('Class: A, Designation: Special')
+        else:
+            print('Class: A, Designation: Public')
+
+    elif ip_first_part in range(128, 192):
+        if ip_first_part == 172 and ip_second_part in range(16, 32):
+            print('Class: B, Designation: Private')
+        elif ip_first_part == 169 and ip_second_part == 254:
+            print('Class: B, Designation: Private')
+        else:
+            print('Class: B, Designation: Public')
+
+    elif ip_first_part in range(192, 224):
+        if ip_first_part == 192 and ip_second_part == 168:
+            print('Class: C, Designation: Private')
+        else:
+            print('Class: C, Designation: Public')
+
+    elif ip_first_part in range(224, 240):
+        print('Class: D,Designation: Special')
+
+    elif ip_first_part in range(240, 256):
+        print('Class: E, Designation: Special')
+        
+
 
 if __name__ == '__main__':
     pass
+    solution()