#include <algorithm>
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int mod = 998244353;
inline int read() {
    int x = 0, f = 1;
    char c = getchar();
    while (c < '0' || c > '9')
        f = (c == '-') ? -1 : 1, c = getchar();
    while (c >= '0' && c <= '9')
        x = x * 10 + c - 48, c = getchar();
    return f * x;
}
signed main() {
    int n = read(), p = read(), ans = 0;
    for (int i = 1; i <= n; i++) {
        int x = read();
        if (p / x <= ans)
            cout << i - 1, exit(0);
        ans += x;
    }
}