#include<stdio.h>

void main(){
	int i,n,s=0;
	scanf("%d",&n);
	
	for(i=1;i<=n;i++){
		if((i%2==0&&i%3==0)||(i%2==0&&i%5==0)||(i%2==0&&i%7==0)||(i%3==0&&i%5==0)||(i%3==0&&i%7==0)||(i%5==0&&i%7==0)||(i%2==0&&i%3==0&&i%5==0)||(i%2==0&&i%3==0&&i%7==0)||(i%3==0&&i%5==0&&i%7==0)||(i%2==0&&i%3==0&&i%5==0&&i%7==0)){
			s=s+i;
		}
	}
	printf("%d",s);
}
/**************************************************************
	Problem: 1449
	User: admin
	Language: C
	Result: Accepted
	Time:41 ms
	Memory:1144 kb
****************************************************************/