#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,a,b,c,h=0;
	   cin>>n;
	for(i=1;i<=999;i++){
		a=i%10;
		b=i/10%10;
		c=i/100;
		h=h+i;
		if(i/7!=0){
			cout<<h;
		}	if(a!=7&&b!=7&&c!=7){
			cout<<h;
		}
		
	}

	return 0;
}


/**************************************************************
	Problem: 1393
	User: jiangyuanfeng
	Language: C++
	Result: Output Limit Exceed
****************************************************************/