import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;

public class Main {
    public static void main(String[] args) {
        final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        final BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        try {
            int T = 1;
            for (int i = 0; i < T; ++i) {
                IRunner runner = new Runner(br, bw);
                runner.run();
                runner.flush();
            }
            br.close();
            bw.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}

class Solution {

    final int N, S; // N: 수열의 길이, S: 부분 합 하한
    final int[] numbers;

    Solution(int N, int S, int[] numbers) {
        this.N = N;
        this.S = S;
        this.numbers = numbers;
    }

    public int solve() {
        int[] cumuls = new int[N + 1];
        for (int i = 0; i < N; ++i) {
            cumuls[i + 1] = cumuls[i] + numbers[i];
        }

        if (cumuls[N] < S) {
            return 0; // 부분 합 하한을 만족하는 수열이 없음
        }

        int iSub = 0, iAdd = 0, res = Integer.MAX_VALUE;
        while (true) {
            int sum = cumuls[iAdd] - cumuls[iSub];
            // System.err.println("iSub: " + iSub + ", iAdd: " + iAdd + ", sum: " + sum);
            if (sum < S) {
                ++iAdd;
                if (iAdd > N) {
                    return res == Integer.MAX_VALUE ? 0 : res;
                }
            }
            else if (sum >= S) {
                res = Math.min(res, iAdd - iSub);
                ++iSub;
                if (iSub > N) {
                    return res;
                }
            }
        }
    }

}

class Runner implements IRunner {
    final IReader reader;
    final BufferedWriter bw;
    final StringBuilder sb = new StringBuilder();

    final int N, S; // N: 수열의 길이, S: 부분 합 하한
    final int[] numbers;

    Runner(BufferedReader br, BufferedWriter bw) {
        this.reader = new Reader(br);
        this.bw = bw;
        try {
            var _ns = reader.readInts();
            this.N = _ns[0];
            this.S = _ns[1];
            this.numbers = reader.readInts();

            sb.ensureCapacity(20);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void flush() {
        try {
            bw.write(sb.toString());
            bw.flush();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void run() throws IOException {
        var res = new Solution(N, S, numbers).solve();
        sb.append(res).append('\n');
    }
}

class Reader implements IReader {
    private BufferedReader br;

    public Reader(BufferedReader br) {
        this.br = br;
    }

    @Override
    public void skipLine() throws IOException {
        br.readLine();
    }

    @Override
    public Stream<String> lines() throws IOException {
        return br.lines();
    }

    @Override
    public String line() throws IOException {
        return br.readLine();
    }

    @Override
    public int[] readInts() throws IOException {
        String[] tokens = br.readLine().split(" ");
        int[] ints = new int[tokens.length];
        for (int i = 0; i < tokens.length; ++i) {
            ints[i] = Integer.parseInt(tokens[i]);
        }
        return ints;
    }

    @Override
    public List<Integer> readIntegers() throws IOException {
        String[] tokens = br.readLine().split(" ");
        var res = new ArrayList<Integer>(tokens.length);
        for (String token : tokens) {
            res.add(Integer.valueOf(token));
        }
        return res;
    }
}

interface IRunner {
    void run() throws IOException;

    void flush();
}

interface IReader {
    void skipLine() throws IOException;

    Stream<String> lines() throws IOException;

    String line() throws IOException;

    List<Integer> readIntegers() throws IOException;

    int[] readInts() throws IOException;
}