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#include <cmath>
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#include <iostream>
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#include <numeric>
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using namespace std;
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constexpr int INF = numeric_limits<int>::max();
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int N, S;
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int arr[100001];
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int main()
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{
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    ios::sync_with_stdio(false);
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    cin.tie(nullptr);
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    cout.tie(nullptr);
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    cin >> N >> S;
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    for (int i = 1; i <= N; ++i)
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    {
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        cin >> arr[i];
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        arr[i] += arr[i - 1];
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    }
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    int len = INF;
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    int first = 1;
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    int second = 1;
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    while (second != N + 1)
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    {
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        int sum = arr[second] - arr[first - 1];
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        if (sum >= S)
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        {
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            len = second - first + 1 < len ? second - first + 1 : len;
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            first++;
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        }
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        else
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            second++;
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    }
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    cout << ((len != INF) ? len : 0);
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}