from time import clock

import sys
def multifactorial(n,k):
    count=0
    mul=n    
    i=1
    n1= n - (k*i)
    start=clock()
    while n1 >= 1:       
       mul=mul * n1
       i=i+1
       n1= n - (k*i)
       count=count+2
    time=clock()-start
    total=sys.getsizeof(count)+sys.getsizeof(mul)+sys.getsizeof(i)+sys.getsizeof(n1)+sys.getsizeof(start)
    return mul,time,count
    
f=open("in1_7.txt","r+")
f1=open("out_7_1_7.txt","w")
total=0
temp=[]
data=[]
time1=0
count1=0
for row in f:
    temp = row.split(',')
    ans,time,count=multifactorial(int(temp[0]),int(temp[1]))
    f1.write(str(ans)+"\n")
    time1=time1+time
    count1=count1+count
total+=sys.getsizeof(time1)+sys.getsizeof(data)+sys.getsizeof(temp)+sys.getsizeof(count1)+sys.getsizeof(f)+sys.getsizeof(f1)
f1.write("Time is "+str(time1)+"\n")
f1.write("No of multiplications are "+str(count1)+"\n")
f1.write("Program takes "+str(total)+" bytes of memory")
f.close()
f1.close()


##section1_7()