list1=[2] #28 days
list2=[4,6,9,11] #30days
list3=[1,3,5,7,8,10,12] #31days

counter = 0

#各位の和を求める関数
def digitSum(n):
    s = str(n)
    array = list(map(int,s)) #1文字ずつ数値化して配列にする
    return sum(array)

for month in list1:
    for d in range(29):
        ds=digitSum(d)
        if month == ds :
            counter+=1

for month in list2:
    for d in range(31):
        ds=digitSum(d)
        if month == ds :
            counter+=1

for month in list3:
    for d in range(32):
        ds=digitSum(d)
        if month == ds :
            counter+=1
print(counter)