#include<iostream>
#include<fstream>
using namespace std;
//FILE* si=fopen("siruri2.in","r");
ifstream si("decod.in");
ofstream so("decod.out");
const int NMAX=300005;
int cont[NMAX];
int main()
{
    int v;
    si>>v;
    int n=1;
    char a;
    while(1)
    {
        si>>a;
        if(si.eof())
            break;
        cont[n++]+=(a=='1');
    }
    int st=1,dr=n1,mij;
    while(st<=dr)
    {
        mij=(st+dr)>>1;

    }
    so.close();
    return 0;
}