x=int(input()) ##input으로 받은 자료는 문자형으로 인식함.
if(x%2==0):
print("짝")
else:
print("홀")
print((1==2) and (1==1))
print(((1==2) and (1==1)) or(3==3)) ##불(bool)연산자: 참과 거짓을 나타냄. or는 둘중에 하나만 맞아도 true.
a,c = map(int,input().split())
b=int(input())
if a>b and a>c:
print(a)
elif b>c:
print(b)
else:
print(c)
a,c = map(int,input().split()) ##계산
b=int(input())
if b=='+':
print(a+c)
elif b=='-':
print(a-c)
elif b=='*':
print(a*c)
elif b=='/':
print(a/c)
a=int(input())
if a>90:
print('나는')
print('A')
elif a>=80:
print('나는')
print('B')
else:
print('나는')
print('C')
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