Baekjoon-1806-부분합

N,S = map(int, input().split(' '))
num_list = list(map(int, input().split(' ')))

if sum(num_list) < S:
    print(0)
else:
    i,j = 0,0
    cur_sum = 0
    min_length = int(1e5)
    while j < N:
        cur_sum += num_list[j]
        while cur_sum >= S:
            min_length = min(j-i+1, min_length)                 
            if cur_sum - num_list[i] >= S:
                cur_sum -= num_list[i]
                i += 1
            else:
                break
        j += 1
    print(min_length)