import sys 
import time 
a,b=0,1
f=open("in2_9.txt","r")
f1=open("out_9_2_9.txt","w")
start=time.clock()
d=int (f.readline())
sum=0
counter=0
add=0
while d>counter:          
    sum=sum+b                        ## SUM OF FIRST N FIBONACCI
    a,b=b,a+b                        ## CALCULATE FIBONACCI NO.
    counter=counter+1
                         
    add=add+3                        ## CALCULATE NO. OF ADDITION
elapsed=time.clock()-start           ## CALCULATE TIME 
total=sys.getsizeof(sum)+sys.getsizeof(elapsed)+sys.getsizeof(add)+sys.getsizeof(a)+sys.getsizeof(b)+sys.getsizeof(counter)
f1.write(str("sum of first n fibonacci-:")+str(sum)+"\n"+str("time---------------------:")+str(elapsed)+"\n"+str("no. of addition----------:")+str(add)+"\n"+str("total size---------------:")+str(total))
f1.close()