#include <iostream>
#include <cmath>
#include <vector>
#include <algorithm>
#include <set>
#include <stack>
using namespace std;
int n;
void solve(){
cout << n/100;
}
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
srand(time(NULL));
cin >> n;
solve();
}
