diff --git a/main.py b/main.py
index 3a6bf39..ff76fe2 100644
--- a/main.py
+++ b/main.py
@@ -1,10 +1,21 @@
 # Практика
 
 def is_armstrong(a):
-
+    true_a = a
+    armstrong = 0
+    count = len(str(a))
+    count2 = count
+    while count2!= 0:
+        armstrong = armstrong + ((a%10)** count)
+        a = a//10
+        count2-=1
+    if armstrong == true_a:
+        return True
+    return False
 
 
 if __name__ == '__main__':
     print(is_armstrong(153))
 
 
+