from time import clock
import sys
f=open('in16_8.txt','r+')
f1=open('out_16_8.txt','w')
m=f.readline().split(",")
a=[]
b=[]
i=0
compare=0
start=clock()
while i<18:
    a.append(m[i])
    i+=1
    b.append(m[i])
    i+=1      
for i in range (0,9):
    for j in range(i+1,9):
        if a[i]<a[j] and b[i]>b[j]:
            f1.write(a[i]+","+b[i]+"  "+a[j]+","+b[j]+"\n\n")
        elif a[i]>a[j] and b[i]<b[j]:
            f1.write(a[j]+","+b[j]+"  "+a[i]+","+b[i]+"\n\n")
        compare+=2
time=clock()-start
memory=sys.getsizeof(a)+sys.getsizeof(b)+sys.getsizeof(i)
f1.write("No of comparisons : "+str(compare)+"\nTime taken : "+str(time)+"\nmemory used : "+str(memory))
f1.close()