import sys
import time
start=time.clock()
f=open("c:\inputs\in3_8.txt","r")
f1=open("out_28_sec3_8.txt","w")
n=int(f.readline())
summ=0
x=2
y=1
division=0
while y<=n:
        i=1
        division=division+1
        count=1
        while(i<=int(x**.5)):
            x
            if((x%i)!=0):
                count+=1
            if count == int(x**.5):
                y+=1
                summ+=x
            i+=1
        x+=1
tc=time.clock()-start
total=sys.getsizeof(summ)+sys.getsizeof(x)+sys.getsizeof(y)+sys.getsizeof(division)+sys.getsizeof(n)+sys.getsizeof(i)+sys.getsizeof(count)
f1.write("Sum is :"+str(summ)+"\nNo. of divisions: "+str(division)+"\nTime :"+str(tc)+"\nMemory :"+str(total))
f.close()
f1.close()