lst=[30,35,59,56,96,98,95,91,68,75,86]
a=eval(input())
if a in lst:
for i in range (0,len(lst)):
if a==lst[i]:
print(i+1)
lst=[30,35,59,56,96,98,95,91,68,75,86]
a=eval(input())
if a in lst:
for i in range (0,len(lst)):
if a==lst[i]:
print(i+1)