import time
import sys
f=open("in7_9.txt","r")
f1=open("out_9_7_9.txt","w")
start=time.clock()
l1,l2=f.readline().split(",")
temp1=[]
temp2=[]
temp=[]
add=0
mul=0
for i in l1:
    temp1.append(i)
for i in l2:
    temp2.append(i)    
len1=len(temp1)
len2=len(temp2)
if len1>=len2:
   j=len1
   k=len1-len2
else:
       j=len2
       k=len2-len1
i=0
l=0
c,ans=0,0
reslt=""
while l<k:
      temp.append(0)
      l=l+1
if len1>len2:
   temp2=temp+temp2
   add=add+1
else:
    temp1=temp+temp1
    add+=1
while i<=j-1:

      if temp1[i]=="1" and temp2[i]=="1":
           reslt='1'+reslt
           add+=1     
      else:
          reslt='0'+reslt
          add+=1
      i=i+1
elapsed=time.clock()-start
total=sys.getsizeof(reslt)+sys.getsizeof(temp1)+sys.getsizeof(temp2)+sys.getsizeof(temp)+sys.getsizeof(add)+ sys.getsizeof(len1)+sys.getsizeof(len2)+sys.getsizeof(elapsed)
f1.write("anding result---:"+ str(reslt)+"\nno.of addition--:"+str(add)+"\nno. of multiplication-:"+str(mul)+"\ntime-------------------:"+str(elapsed)+"\ntotal memory------------:"+str(total))      
f.close()
f1.close()