#!/usr/bin/python
#coding=gb2312
if not 1:
print('trues');
else:
print('fuck');
bk='skc';
if(bk=='skl'):
print 'NOok';
elif(bk=='skc'):
print 'OK!';
else:
print 'fuck';
branch={'span':10,'jack':20,'black':30};
print (branch.get('span','Bad'));
print (branch.get('shit','Bad'));
if 'span' in branch:
print "yes";
else:
print "NO";
