#include <iostream>
#include <queue>
#define ll long long

using namespace std;

//ifstream cin("penz.in");
//ofstream cout("penz.out");

vector <ll>x;
ll a,h,i,n,p,s;
bool ok=false;

int main()
{
    cin>>n>>p;
    for(i=0;i<n;++i)
    {
        cin>>a;
        s+=a;
        x.push_back(s);
    }
    //for(auto &e:x) cout<<e<<" ";

    for(h=1;h<=n;++h)
     {
        for(a=0;a<=n-h;++a)
        {
            if(x[a+h-1]-x[a-1]==p)
            {
                ok=true;
                break;
            }
        }
        if(ok) break;
     }

     cout<<h;

    return 0;
}