#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    int X;
    cin>>X;
    if(X<0){
        cout<<0<<endl;
    }else{
        cout<<X<<endl;
    }
}

#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

int main(){
    int c;
    cin >> c;
    cout << max(0,c) << endl;
}