diff --git a/check.py b/check.py
new file mode 100644
index 0000000000000000000000000000000000000000..21ecc5fb47b346f88bcb182cc8f6f4230086bcbf
--- /dev/null
+++ b/check.py
@@ -0,0 +1,30 @@
+import pandas as pd
+import os
+
+TABLE_FILE = os.path.join(os.getenv("HOME"), r".local/share/adega-crypt/correspondences.csv")
+
+table = pd.read_csv(TABLE_FILE)
+
+hist_e = pd.read_csv('historico.encripted.csv')
+matr_e = pd.read_csv('historico.encripted.csv')
+
+hist = pd.read_csv('historico.csv')
+matr = pd.read_csv('historico.csv')
+
+d1 = pd.concat([hist[['MATR_ALUNO']], matr[['MATR_ALUNO']]])
+d2 = pd.concat([hist_e[['MATR_ALUNO']], matr_e[['MATR_ALUNO']]])
+
+d1s = d1.drop_duplicates().shape[0]
+d2s = d2.drop_duplicates().shape[0]
+
+t = table.shape[0]
+
+if d1s == d2s == t:
+	print "OK"
+else:
+	print """
+Quantidade de alunos:
+original: %d
+processado: %d
+tabela: %d
+""" % (d1s, d2s, t)