# Pastebin YSTeP5TM
+        bin0_fname = tools.get_input_filename(bins[0])
+        bin1_fname = tools.get_input_filename(bins[1])
+        bin2_fname = tools.get_input_filename(bins[2])
+        with open(bin0_fname, 'rb') as fd1, open(bin1_fname, 'rb') as fd2, open(bin2_fname, 'wb') as fd3:
+            bin1 = fd1.read()
+            bin2 = fd2.read()
+            bin1 += bin2
+
+            fd3.write(bin1)