211010

'''
a,b,c,d = map(int,input().split())
if a + b + c + d == 1 :
    print('도')
elif a + b + c + d == 2 :
    print('개')
elif a + b + c + d == 3:
    print('걸')
elif a + b + c + d == 4:
    print("윷")
elif a + b + c + d == 0:
    print('모')


a,b= map(int,input().split())
print('3+2='a+b,end='' )
print('3-2=')
print('3*2=')
print('3/2=')

a,b= map(int,input().split())
print(a, '+', b,'=', a+b, sep='')
print(a, '-', b,'=', a-b, sep='')
print(a, '*', b,'=', a*b, sep='')
print(a, '/', b,'=', a//b, sep='')


a,b= map(int,input().split())
print((a*b)/2)

a= int(input())
b= (9/5*a)+32
print('%.3f'%b)

a,b,c= map(int,input().split())
d= (a+b+c)//100%2
if d==0 :
    print('대박')
else :
    print('그럭저럭')

a,b,c= map(int,input().split())
if b<c and a<c :
    if c < a + b :
        print("yes")
    else :
        print("no")
elif a<b and c<b :
    if b < a + c :
        print("yes")
    else :
        print("no")
elif b<a and c<a :
    if a < c + b :
        print("yes")
    else :
        print("no")
elif b==a and a==c and c==b :
        print("yes")

n= int(input())
x=0
for i in range(1,n+1) :
    if i % 10 == 1 :
        x+=1
print(x)

a, b = map(int, input().split())
result = 0

for i in range(a, b + 1):
    if i % 2 == 0:
        result -= i
        print('-' + str(i), end='')
    else:
        if i == a:
            print(str(i), end='')
        else:
            print('+' + str(i), end='')
        result += i

print('=' + str(result))

class item:
    p = 10
    k = 20
    def __init__(self):
        self.k = 200
        print('System Initialized')
    #def __init__(self, a, b):
    #    print('Second Layer')
    def talk(self):
        self.k = 2000
        print('Hello there')
        self.sum(109, 20)
    def sum(self,a, b):
        return a+b

x = item()
print(x.k)
print('---------------')
x.talk()
print(x.k)
'''