AED TP1 A

import sys

def funcaop():

    while 1:
        sequencia=[]

        info=map(int, raw_input().split())
        if info==[0,0]:
            sys.exit()
        if info[0] == 0:
            continue
        tamanho=info[0]
        valor = info[1]

        for i in range(tamanho):

            sequencia.append(int(raw_input()))

        somatorio(sequencia, valor)

    return

def somatorio(sequencia, valor):
    n = len(sequencia)

    for i in range(n):

        for j in range (i, n):
            soma=0
            for z in range (i, j):

                soma=soma+sequencia[z]

                if soma == valor:
                    print "SUBSEQUENCIA NA POSICAO " + str(i+1)
                    return 0

    print "SUBSEQUENCIA NAO ENCONTRADA"
    return 0

if __name__ =='__main__':
    funcaop()