#include <cstdio>
#define MAXN 2000000

int A[MAXN];

int main() {
    int N, K, sum;
    long long res = 0;

    scanf("%d%d", &N, &K);
    for (int i=0; i<N; i++) scanf("%d", &(A[i]));

    for (int i=0; i<N; i++) {
        sum = 0;
        for (int j=i; j<N; j++) {
            sum += A[j];
            if (sum <= K) res++;
            else break;
        }
    }
    printf("%lld\n", res);
}