#include<iostream>
using namespace std;
class m{
    public:
    static int t;
    m(int items){
        t += items;
    }
    };
    int m::t = 0;
    int main(){
        int n, items;
        cin>>n;
        if(n<1||n>100){
            cout<<"Invalid Production";
            return 0;
        }
        for(items<0||items>10000){
            cout<<"Invalid Prodution";
            return 0;
        }
        m x(items);
    }
    cout<<m::t;
    return 0;
}