#Partie A
i=0
j=0
occur=26*[0]
texte=input("Saisir le message:\n")

alphabet="abcdefghijklmnopqrstuvwxyz"
alpha="[a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z]"
for i in range (0,len(texte)-1):
    for j in range (0,len(alphabet)-1):
        if texte[i]==alphabet[j]:
            occur[j]=occur[j]+1

print(occur)
print (alpha)