#include<iostream>
using namespace std;
int main()
{
    int n;
    cin>>n;
    
    try{
        if(n<=0||n>12)
        {
            throw"Invalid input";
            
        }
        int deposit;
        int total=0;
        for(int i =0;i<n;i++)
        {
            throw "Invalid input";
            
        }
        total+=deposit;
    }
    cout<<total;
}
    catch(const char* msg)
    {
        cout<<msg;
    }
    return 0;
}