소스 코드 제출

'''n = int(input()) #1 11 21 31
c = 0

for i in range(n+1):
    if (i%10 == 1):
        c+=1


print(c)
'''
'''
a,b = input().split()         #5,10
a = int(a)
b = int(b)
s = 0
for i in range(a,b+1):
    if i%2==0:
        s -= i
    else:
        s += i

print(s)
'''
'''
a,b = input().split()
a = int(a)
b = int(b)
c = 0
for i in range(a,b+1):
    if i%2==0:
        c -= i
        print('-',i,end='',sep='')
    else:
        c += i
        print('+',i,end='',sep='')

print('=',c,end='',sep='')
'''
a,b = input().split()
a = int(a)
b = int(b)
c = 0
for i in range(a,b+1):             #홀수 더하기
    if i%2==0:
        c -= i
        print('-',i,end='',sep='')   #-
    else:
        c += i
        print('+',i,end='',sep='')

print('=',c,end='',sep='')   # =