abc="ABC"
b="B"
print abc.index(b)
print "\n"
abc2=abc.unpack('C*').pack('C*')
b2=b.unpack('C*').pack('C*')
print abc2.index(b2)
print "\n"
CmFiYz0iQUJDIgpiPSJCIgpwcmludCBhYmMuaW5kZXgoYikKcHJpbnQgIlxuIgoKYWJjMj1hYmMudW5wYWNrKCdDKicpLnBhY2soJ0MqJykKYjI9Yi51bnBhY2soJ0MqJykucGFjaygnQyonKQoKcHJpbnQgYWJjMi5pbmRleChiMikKcHJpbnQgIlxuIgo=