NumarDESubmultimi_eu

#include <bits/stdc++.h>
#define MOD 777013
#define ll long long
using namespace std;
ll n, a, b, c;
int main()
{
    cin>>n;
    if(n==1)
    {
        cout<<1;
        return 0;
    }
    if(n==2)
    {
        cout<<2;
        return 0;
    }
    a=1; b=2;
    for(ll i=3; i<=n; i++)
    {
        c=(a+b+1)%MOD;
        a=b;
        b=c;
    }
    cout<<c;
    return 0;
}