#include <iostream>

long long int loopy(long long int n)
{ long long int sum = 0;
  for (long long int i = 1; i <= n; i += 1)
    if (i%5 != 0 && i%7 != 0)
      sum += i;
  return sum; }

long long int sumto(long long int n)
{ return (n*n + n)/2; }

long long int formuly(long long int n)
{ return sumto(n) - 5*sumto(n/5) - 7*sumto(n/7) + 35*sumto(n/35); }

void main(int argc, char * argv[])
{ if (argc != 2)
  { cout << "number on command line!\n";
    exit(1); }
  int n = atoll(argv[1]);
  cout << "brainy: " << formuly(n) << "\n"; 
  cout << "loopy:  " << loopy(n) << "\n"; }