import javax.rmi.ssl.SslRMIClientSocketFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());
        int N = Integer.parseInt(st.nextToken());
        int S = Integer.parseInt(st.nextToken());

        ArrayList<Integer> arr = new ArrayList<>();
        st = new StringTokenizer(br.readLine());
        long sum = 0;
        for(int i=0; i<N; i++){
            arr.add(Integer.parseInt(st.nextToken()));
            sum+=arr.get(i);
        }
        if(sum < S){
            System.out.println(0);
            System.exit(0);
        }
        int lt = 0, rt = 0;
        sum = arr.get(rt);
        int answer = Integer.MAX_VALUE;
        while(rt < N){
            if(sum < S){
                if(rt == N-1) break;
                sum += arr.get(++rt);
            } else {
                // sum이 S보다 크거나 같을 때
                answer = Math.min(answer, rt-lt+1);
                sum -= arr.get(lt++);
            }
        }
        System.out.println(answer);
    }
}