'''
a = input()
a = int(a)
if a%2 == 0 :
print("enjoy")
elif a%2 != 0 :
print("oh my god")
'''
'''
k = int(input())
a = int(k/10)
b = k%10
r = ((10 * b + a) * 2)%100
print(r)
if r <= 50:
print("GOOD")
else:
print("OH MY GOD")
'''
'''
a, b = input().split()
a = int(a)
b = int(b)
a >= 0 and a <= 23
b >= 0 and b <= 59
if a == 0 and b<30:
print(23, b+30)
elif a !=0 and b < 30:
print(a-1, b+30)
elif b>=30:
print(a, b-30)
'''
'''
a, b, c = input().split()
a = int(a)
b = int(b)
c = int(c)
if a+b <= c :
print("삼각형아님")
elif a==b and b==c :
print("정삼각형")
elif a == b or b == c:
print("이등변삼각형")
elif a*a + b*b == c*c:
print("직각삼각형")
else:
print("삼각형")
'''
'''
a, b, c = input().split()
a = int(a)
b = int(b)
c = int(c)
if (a <= b) and (b <= c):
print(b)
elif (a <= c) and (c <=b) :
print(c)
elif (b <= a )and a <= c :
print(a)
elif b <= c and c <= a :
print(c)
elif c<= a and a<=b :
print(a)
elif c <= b and b <=a :
print(b)
'''
'''
a, b, c = input().split()
a = int(a)
b = int(b)
c = int(c)
if a <= b and b <= c :
if a+b <= c :
print("no")
elif a +b > c :
print("yes")
elif a <= c and c <= b :
if a+c <= b :
print("no")
elif a+c > b:
print("yes")
elif b <= a and a <= c :
if a+b <= c :
print("no")
elif a+b > c:
print("yes")
elif b <= c and c <= a :
if c + b <= a:
print("no")
elif c + b > a:
print("yes")
elif c<= a and a<=b :
if a + c <= b:
print("no")
elif a + c > b:
print("yes")
elif c <= b and b <=a :
if c + b <= a:
print("no")
elif c + b > a:
print("yes")
'''
'''
a, b = input().split()
a = int(a)
b = int(b)
if a==90 :
print(b)
elif a>=0 and a<90:
if a%5 ==0 :
print(int((90-a)/5)+b)
else :
print(int((90-a)/5)+b+1)
elif a>=90 :
print(b)
'''
'''
for i in range(1, 101):
print(i, end = ' ')
'''
'''
n = int(input())
for i in range(1,n+1):
print(i, end = ' ')
'''
'''
a, b = input().split()
a = int(a)
b = int(b)
if a<=b :
for i in range(a,b+1):
print(i, end = ' ')
elif a>b :
for i in range(b,a+1):
print(i, end =' ')
'''
'''
a, b = input().split()
a = ord(a)
b = ord(b)
for i in range(a,b+1):
i = chr(i)
print(i, end =' ')
'''
'''
a = input()
a = int(a)
sum = 0
for i in range(1,a+1):
sum += i
print(sum)
'''
'''
n = int(input())
sum = 0
for i in range(1, n+1):
if i % 2 == 0:
sum += i
print(sum)
'''
'''
n = int(input())
a = input().split()
sum = 0
for i in range(len(a)):
a[i] = int(a[i])
sum += a[i]
print(sum)
'''
'''
n = int(input())
a = input().split()
sum = 0
for i in range(len(a)):
a[i] = int(a[i])
if a[i]%5 == 0:
sum += a[i]
print(sum)
'''
'''
n = int(input())
a = input().split()
sum = 0
for i in range(len(a)):
a[i] = int(a[i])
if a[i]%2 == 0:
sum += 1
print(sum)
'''
'''
a, b, c, d= input().split()
a = int(a)
b = int(b)
c = int(c)
d = int(d)
for i in range(d-1) :
a= a*b+c
print(a)
'''
'''
a, b = input().split()
a = int(a)
b = int(b)
sum = 0
for i in range(a, b+1) :
i = int(i)
if i%2 ==0 :
sum -= i
elif i%2 !=0 :
sum += i
print(sum)
'''
'''
a, b = input().split()
a = int(a)
b = int(b)
sum = 0
if a <= b:
for i in range(a, b+1) :
i = int(i)
if i%2 ==0 :
print("-",end='')
sum -= i
print(i, end='')
elif i%2 !=0 :
print("+", end = '')
sum += i
print(i,end='')
print("=",end='')
print(sum, end ='')
'''
a, b = input().split()
a = int(a)
b = int(b)
sum = 0
if a%2==0:
sum -= a
print("-", end =''),print(a, end = '')
else :
sum += a
print(a,end = '')
if a <= b:
for i in range(a+1, b+1) :
i = int(i)
if i%2 ==0 :
print("-",end='')
sum -= i
print(i, end='')
elif i%2 !=0 :
print("+", end = '')
sum += i
print(i,end='')
print("=",end='')
print(sum, end ='')
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실제 작동 상태를 확인하려면 라이브 사이트로 이동하세요.
200714
200714
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