diff --git a/cidr4_merger.py b/cidr4_merger.py
index 0b767fb..e39134e 100644
--- a/cidr4_merger.py
+++ b/cidr4_merger.py
@@ -2,7 +2,7 @@ import cProfile
 from collections import defaultdict
 from copy import deepcopy
 from ipaddress import IPv4Address
-from typing import List, Set
+from typing import List, Set, Tuple
 
 
 def get_data(input_file):
@@ -11,13 +11,28 @@ def get_data(input_file):
     return data
 
 
+def cidr4_to_node(cidr4: str) -> Tuple[int, int, int]:
+    ip, mask_len = cidr4.strip().split("/")
+    mask_len = int(mask_len)
+    added_ips_number = 0
+    a, b, c, d = ip.split(".")
+    a, b, c, d = int(a), int(b), int(c), int(d)
+    ip_value = a * 256**3 + b * 256**2 + c * 256**1 + d * 256**0
+    return ip_value, mask_len, added_ips_number
+
+
 def main():
     file = "cidr4.txt"
     required_len = 15
 
     data = get_data(file)
+    nodes = sorted(map(cidr4_to_node, data))
+    for n in nodes:
+        print(n)
 
 
 if __name__ == "__main__":
+    assert cidr4_to_node("4.78.139.0/24") == (72256256, 24, 0)
+
     main()
     # cProfile.run("main()")