from time import clock
import sys

f=open('in1_2.txt','r')
f1=open('out_2_1_2.txt','w') 
#print f.read()
start=clock()
n=int(f.readline())
fact=1
for i in range(1,n+1):
    fact=fact*i
    f1.write(str(i)+"="+str(fact)+'\n')
 elapsed=clock()-start
mem=sys.getsizeof(n)+sys.getsizeof(fact)+sys.getsizeof(i)
print mem
f1.write("time elapsed is  " +str(elapsed))
f1.write("mem is  " +str(mem))