from time import clock
import sys
f=open('in1_2.txt','r')
f1=open('out_1_2.txt','w') 

start=clock()
n=int(f.readline())
mul=0
fact=1

for i in range(1,n+1):
    fact=fact*i
    mul=mul+1
    f1.write(str(i)+"="+str(fact)+'\n')

elapsed=clock()-start
total=sys.getsizeof(n)+sys.getsizeof(fact)
f1.write("time elapsed is  " +str(elapsed)+"\nmul "+str(mul)+"\nmemory "+str(total))
f.close()
f1.close()