'''
a,b=map(float,input().split())
m1 = (a+b) if a+b>a*b else (a*b)
m2 =a-b if a-b>b-a else b-a
m3 = m1 if m1>m2 else m2
m4 = a**b if a**b>b**a else b**a
m5 = a/b if a/b>b/a else b/a
m6= m4 if m4>m5 else m5
print('%6f'% (m3)) if m3>m6 else print('%6f'%(m6))
#-----이게 삼항 연산자
'''
# a=input()
# a=int(a)
# if a<=39:
# print('D')
# elif a<=69:
# print('C')
# elif a<=89:
# print('B')
# else :
# print('A')
#a=input()
#a=int(a)
#if a==1 or a==12 or a==2:
# print('winter')
#elif a==3 or a== 4 or a==5:
# print('spring')
#elif a==6 or a==7 or a==8:
# print('summer')
#elif a== 9 or a==10 or a==11:
# print('fall')



