def f(h, m):
h = h%12
hourAngle = h*30 + (h//12)
minuteAngle = m*6
if hourAngle > minuteAngle:
return (hourAngle - minuteAngle)
else:
return (-hourAngle + minuteAngle)
a = 0
b = 1
S = set()
S.add(0)
while not (a==0 and b==0):
S.add(f(a,b))
b+=1
if b == 60:
b = 0
a+=1
if a == 24:
a = 0
while True:
try:
i = int(input())
except:
break
if i in S:
print("Y")
else:
print("N")