a = list(input())
x = 1
for i in range(len(a)):
    a[i] = int(a[i])
for i in range(0,len(a),2):
    if i+1 == len(a):
        break
    else:
        if (a[i]*10)+a[i+1] > 33:
            x = x * 1
        else:
            if (a[i]*10)+a[i+1] < 10:
                x = x*1
            else:
                x = x*2
kol = x
x = 1
for i in range(1,len(a),2):
    if i+1 == len(a):
        break
    else:
        if (a[i]*10)+a[i+1] > 33:
            x = x * 1
        else:
            if (a[i]*10)+a[i+1] < 10:
                x = x*1
            else:
                x = x*2
kol = kol + x
print(kol-1)