diff --git a/math/lucky_numbers.py b/math/lucky_numbers.py
new file mode 100644
index 0000000..5f15e5c
--- /dev/null
+++ b/math/lucky_numbers.py
@@ -0,0 +1,22 @@
+def lucky_numbers(n):
+ survivor = 1
+ delete_every = 2
+ index = None
+ sieve = list(range(1, n + 1))
+
+ while len(sieve) >= delete_every:
+ index = delete_every - 1
+ while index < len(sieve):
+ del sieve[index]
+ index += (delete_every - 1)
+
+ survivor_index = sieve.index(survivor) + 1
+ survivor = sieve[survivor_index]
+ delete_every = survivor
+
+ return sieve
+
+if __name__ == "__main__":
+ number = input("Enter number: ")
+ number = int(number)
+ print("Lucky numbers:", *lucky_numbers(number))
\ No newline at end of file
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