#include <bits/stdc++.h>
#include <cmath>

using namespace std;
using ll = long long;

int main () {
    long double x;
    cin >> x;
    
    if(x<0){
        cout << 0 << endl;
    }
    
    else {
        cout << setprecision(101);
        cout << x/100 << endl;
    }
}