import sys
import math

def getUni(s):
	st = ""
	for c in "123456789":
		if(s.find(c)!=-1):
			st += c
	return st
def toInt(s):
	r = 0
	for c in s:
		i = "123456789".find(c)
		if(i!=-1):
	asdf
dgh