diff --git a/prover.py b/prover.py
old mode 100644
new mode 100755
index 5f6d5ee..cb88ee2
--- a/prover.py
+++ b/prover.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python3
+
 ## Proof of Space-Time prover
 
 import math, common, ast
@@ -88,31 +90,19 @@ for indexRequest in indexesRequest:
     for index in [indexRequest, otherIndex]:
         verificationMerkleTreeLevels[0][index] = merkleTreeLevels[0][index]
 
-"""
-for merkleTreeLevelsIndex, merkleTreeLevel in enumerate(merkleTreeLevels):
-    for i, hash in enumerate(merkleTreeLevel):
-        verificationMerkleTreeLevels[merkleTreeLevelsIndex][i] = hash
-"""
-
 entries = []
 for verificationMerkleTreeLevelsIndex, verificationMerkleTreeLevel in enumerate(verificationMerkleTreeLevels[:-1]):
     for index in verificationMerkleTreeLevel:
         otherIndex = common.otherIndex(index)
         leftIndex, rightIndex = sorted([index, otherIndex])
-        #leftHash, rightHash = [merkleTreeLevels[verificationMerkleTreeLevel][i] for i in [leftIndex, rightIndex]]
         leftHash, rightHash = [merkleTreeLevels[verificationMerkleTreeLevelsIndex][i] for i in [leftIndex, rightIndex]]
         otherHash = merkleTreeLevels[verificationMerkleTreeLevelsIndex][otherIndex]
         verificationMerkleTreeLevels[verificationMerkleTreeLevelsIndex + 1][leftIndex // 2] = common.hash(leftHash + rightHash)
         if verificationMerkleTreeLevelsIndex > 0 or leftIndex == index:
             if verificationMerkleTreeLevelsIndex == 0:
-                print(leftIndex, rightIndex)
                 entries += [leftHash, rightHash]
-                # for i, hash in zip([leftIndex, rightIndex], [leftHash, rightHash]):
-                # verificationMerkleTreeLevels[verificationMerkleTreeLevelsIndex][i] = hash
             else:
-                print(otherIndex)
                 entries += [otherHash]
-                # verificationMerkleTreeLevels[verificationMerkleTreeLevelsIndex][otherIndex] = otherHash
 
 print(f'{entries=}')
 
diff --git a/verifier.py b/verifier.py
old mode 100644
new mode 100755
index ab83e1f..0a1f7ee
--- a/verifier.py
+++ b/verifier.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python3
+
 ## Proof of Space-Time verifier
 
 import secrets, common, ast
@@ -58,30 +60,13 @@ for index in indexesRequest:
         merkleTreeLevels[0][i] = hash
 
 for merkleTreeLevelsIndex, merkleTreeLevel in enumerate(merkleTreeLevels[:-1]):
-    print(merkleTreeLevelsIndex)
-    print('before', merkleTreeLevels[merkleTreeLevelsIndex])
     for index in merkleTreeLevel.copy():
         otherIndex = common.otherIndex(index)
         leftIndex, rightIndex = sorted([index, otherIndex])
         if merkleTreeLevelsIndex > 0:
-            print(f'current: {otherIndex}')
             merkleTreeLevels[merkleTreeLevelsIndex][otherIndex] = entries.pop(0)
         leftHash, rightHash = [merkleTreeLevels[merkleTreeLevelsIndex][i] for i in [leftIndex, rightIndex]]
         merkleTreeLevels[merkleTreeLevelsIndex + 1][leftIndex // 2] = common.hash(leftHash + rightHash)
-        """for i, hash in zip([leftIndex // 2, common.otherIndex(leftIndex)], [common.hash(leftHash + rightHash), '']):
-            print(f'next: {i}')
-            merkleTreeLevels[merkleTreeLevelsIndex + 1][i] = hash"""
-    print('after', merkleTreeLevels[merkleTreeLevelsIndex])
-
-"""
-for merkleTreeLevelsIndex, merkleTreeLevel in enumerate(merkleTreeLevels[:-1]):
-    for index in merkleTreeLevel:
-        otherIndex = common.otherIndex(index)
-        leftIndex, rightIndex = sorted([index, otherIndex])
-        leftHash, rightHash = [merkleTreeLevels[merkleTreeLevel][i] for i in [leftIndex, rightIndex]]
-        otherHash = merkleTreeLevels[merkleTreeLevelsIndex][otherIndex]
-        merkleTreeLevels[merkleTreeLevelsIndex + 1][leftIndex // 2] = common.hash(leftHash + rightHash)
-"""
 
 # Note that `actualStorage` is the average storage that the prover should have dedicated to be able to solve this execution phase challenge.
 # If any entry corresponding to requested indexes is incorrect, the Merkle tree won't match or the verification of the claimed difficulty of the provided hash will fail.