diff --git a/programm13.py b/programm13.py
new file mode 100644
index 0000000..3bfd230
--- /dev/null
+++ b/programm13.py
@@ -0,0 +1,46 @@
+def volodya_add(num1, num2):
+    """Складывает два числа по алгоритму Володи"""
+    s1 = str(num1)
+    s2 = str(num2)
+    
+    max_len = max(len(s1), len(s2))
+    s1 = s1.zfill(max_len)
+    s2 = s2.zfill(max_len)
+    
+    result = ""
+    
+    for i in range(max_len - 1, -1, -1):
+        digit_sum = int(s1[i]) + int(s2[i])
+        result = str(digit_sum) + result
+    
+    return int(result)
+
+with open('INPUT.TXT', 'r') as f:
+    a, b, c = map(int, f.readline().split())
+
+results = set()
+
+# (a + b) + c
+results.add(volodya_add(volodya_add(a, b), c))
+# (a + c) + b
+results.add(volodya_add(volodya_add(a, c), b))
+# (b + c) + a
+results.add(volodya_add(volodya_add(b, c), a))
+
+# a + (b + c)
+results.add(volodya_add(a, volodya_add(b, c)))
+# b + (a + c)
+results.add(volodya_add(b, volodya_add(a, c)))
+# c + (a + b)
+results.add(volodya_add(c, volodya_add(a, b)))
+
+sorted_results = sorted(results)
+
+with open('OUTPUT.TXT', 'w') as f:
+    if len(results) > 1:
+        f.write("YES\n")
+    else:
+        f.write("NO\n")
+    
+    for res in sorted_results:
+        f.write(str(res) + "\n")
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