diff --git a/Lib/ftplib.py b/Lib/ftplib.py
index f87f690..b470216 100644
--- a/Lib/ftplib.py
+++ b/Lib/ftplib.py
@@ -175,10 +175,8 @@
 
     # Internal: "sanitize" a string for printing
     def sanitize(self, s):
-        if s[:5] == 'pass ' or s[:5] == 'PASS ':
-            i = len(s)
-            while i > 5 and s[i-1] in {'\r', '\n'}:
-                i = i-1
+        if s[:5] in {'pass ', 'PASS '}:
+            i = len(s.rstrip('\r\n'))
             s = s[:5] + '*'*(i-5) + s[i:]
         return repr(s)
 
@@ -596,10 +594,7 @@
         resp = self.sendcmd('SIZE ' + filename)
         if resp[:3] == '213':
             s = resp[3:].strip()
-            try:
-                return int(s)
-            except (OverflowError, ValueError):
-                return int(s)
+            return int(s)
 
     def mkd(self, dirname):
         '''Make a directory, return its full pathname.'''
@@ -861,11 +856,7 @@
     m = _150_re.match(resp)
     if not m:
         return None
-    s = m.group(1)
-    try:
-        return int(s)
-    except (OverflowError, ValueError):
-        return int(s)
+    return int(m.group(1))
 
 
 _227_re = None