#include <bits/stdc++.h>
#include <iostream>
#include <string>
#include <stdio.h>
#include <math.h>
#define rep(i, n) for (int i = 0; i < n; i++)
#define ll long long
#define be(x) x.begin(), x.end()
using namespace std;

int main()
{

    int n;
    cin >>n;

    if(n<=0)
        cout<<0<<endl;

    else
        cout<<n/100<<endl;
    
    return 0;
}