diff --git a/demos/demo.py b/demos/demo.py
index 1859de5..d77fb2c 100755
--- a/demos/demo.py
+++ b/demos/demo.py
@@ -33,6 +33,11 @@ import traceback
 import paramiko
 import interactive
 
+try:
+    input = raw_input
+except NameError:
+    pass
+
 
 def agent_auth(transport, username):
     """
@@ -57,13 +62,13 @@ def agent_auth(transport, username):
 
 def manual_auth(username, hostname):
     default_auth = 'p'
-    auth = raw_input('Auth by (p)assword, (r)sa key, or (d)ss key? [%s] ' % default_auth)
+    auth = input('Auth by (p)assword, (r)sa key, or (d)ss key? [%s] ' % default_auth)
     if len(auth) == 0:
         auth = default_auth
 
     if auth == 'r':
         default_path = os.path.join(os.environ['HOME'], '.ssh', 'id_rsa')
-        path = raw_input('RSA key [%s]: ' % default_path)
+        path = input('RSA key [%s]: ' % default_path)
         if len(path) == 0:
             path = default_path
         try:
@@ -74,7 +79,7 @@ def manual_auth(username, hostname):
         t.auth_publickey(username, key)
     elif auth == 'd':
         default_path = os.path.join(os.environ['HOME'], '.ssh', 'id_dsa')
-        path = raw_input('DSS key [%s]: ' % default_path)
+        path = input('DSS key [%s]: ' % default_path)
         if len(path) == 0:
             path = default_path
         try:
@@ -97,7 +102,7 @@ if len(sys.argv) > 1:
     if hostname.find('@') >= 0:
         username, hostname = hostname.split('@')
 else:
-    hostname = raw_input('Hostname: ')
+    hostname = input('Hostname: ')
 if len(hostname) == 0:
     print('*** Hostname required.')
     sys.exit(1)
@@ -147,7 +152,7 @@ try:
     # get username
     if username == '':
         default_username = getpass.getuser()
-        username = raw_input('Username [%s]: ' % default_username)
+        username = input('Username [%s]: ' % default_username)
         if len(username) == 0:
             username = default_username
 
diff --git a/demos/demo_sftp.py b/demos/demo_sftp.py
index 29d78d0..bce0f95 100755
--- a/demos/demo_sftp.py
+++ b/demos/demo_sftp.py
@@ -32,6 +32,11 @@ import traceback
 import paramiko
 
 
+try:
+    input = raw_input
+except NameError:
+    pass
+
 # setup logging
 paramiko.util.log_to_file('demo_sftp.log')
 
@@ -42,7 +47,7 @@ if len(sys.argv) > 1:
     if hostname.find('@') >= 0:
         username, hostname = hostname.split('@')
 else:
-    hostname = raw_input('Hostname: ')
+    hostname = input('Hostname: ')
 if len(hostname) == 0:
     print('*** Hostname required.')
     sys.exit(1)
@@ -55,7 +60,7 @@ if hostname.find(':') >= 0:
 # get username
 if username == '':
     default_username = getpass.getuser()
-    username = raw_input('Username [%s]: ' % default_username)
+    username = input('Username [%s]: ' % default_username)
     if len(username) == 0:
         username = default_username
 password = getpass.getpass('Password for %s@%s: ' % (username, hostname))
diff --git a/demos/demo_simple.py b/demos/demo_simple.py
index 148c777..52834e8 100755
--- a/demos/demo_simple.py
+++ b/demos/demo_simple.py
@@ -30,6 +30,10 @@ import traceback
 import paramiko
 import interactive
 
+try:
+    input = raw_input
+except NameError:
+    pass
 
 # setup logging
 paramiko.util.log_to_file('demo_simple.log')
@@ -41,7 +45,7 @@ if len(sys.argv) > 1:
     if hostname.find('@') >= 0:
         username, hostname = hostname.split('@')
 else:
-    hostname = raw_input('Hostname: ')
+    hostname = input('Hostname: ')
 if len(hostname) == 0:
     print('*** Hostname required.')
     sys.exit(1)
@@ -54,7 +58,7 @@ if hostname.find(':') >= 0:
 # get username
 if username == '':
     default_username = getpass.getuser()
-    username = raw_input('Username [%s]: ' % default_username)
+    username = input('Username [%s]: ' % default_username)
     if len(username) == 0:
         username = default_username
 password = getpass.getpass('Password for %s@%s: ' % (username, hostname))