#include <iostream>
using namespace std;
const int N=1e6+10;  
int a[N]; 
int main() 
{ 
    int n; 
    cin >> n;
    int num = 0;  
    for(int i = 1;i <= n;i++) { 
        int maxn; 

        if(a[i] > n) { 
            maxn = a[i]; 
            num++; 
        } 
    } 
    cout << num; 
    return 0; 
}