diff --git a/zadaniedomowe1/labs04/cwiczenie5.py b/zadaniedomowe1/labs04/cwiczenie5.py
new file mode 100644
index 0000000..39c7d9a
--- /dev/null
+++ b/zadaniedomowe1/labs04/cwiczenie5.py
@@ -0,0 +1,23 @@
+import os
+
+import glob
+
+import re
+
+import pandas
+
+
+
+if __name__ == "__main__":
+
+   bleu_files = glob.glob('./scores/model.iter*.npz.bleu')
+
+   lines = []
+
+   for bleu_file in bleu_files:
+
+       lines += [[os.path.abspath(bleu_file), float(re.sub(r'.*?=\s*([^,]+).*', '\\1', line.rstrip('\n')))] for line in open(bleu_file)]
+
+   df = pandas.DataFrame(lines, columns=list('AB'))
+
+   print(df['A'].loc[df['B'].idxmax()])