# import time



# starttime=time.clock()



A,B,C =input().split()

a=int(A)

b=int(B)

c=int(C)

# print(a+c)

 

if a>b:

    temp = a

    a = b

    b = temp

if b>c:

    temp = b

    b = c

    c = temp

if (a+b)==c:

    print("Yes")

#     endtime = time.clock()

#     print(endtime-starttime)

else:

    print("No")

#     endtime = time.clock()

#     print(endtime-starttime)

#      

a,b,c = list(map(int,input().split()))

 

if a>b:

    temp = a

    a = b

    b = temp

if b>c:

    temp = b

    b = c

    c = temp

if (a+b)==c:

    print("Yes")



else:

    print("No")

# import time
# starttime=time.clock()
A, B, C = input().split()
a = int(A)
b = int(B)
c = int(C)
# print(a+c)
if a > b:
    temp = a
    a = b
    b = temp
if b > c:
    temp = b
    b = c
    c = temp
if (a + b) == c:
    print("Yes")
#     endtime = time.clock()
#     print(endtime-starttime)
else:
    print("No")
#     endtime = time.clock()
#     print(endtime-starttime)
#

a, b, c = list(map(int, input().split()))
if a > b:
    temp = a
    a = b
    b = temp
if b > c:
    temp = b
    b = c
    c = temp
if (a + b) == c:
    print("Yes")
else:
    print("No")

-# import time -# starttime=time.clock() -A, B, C = input().split() -a = int(A) -b = int(B) -c = int(C) -# print(a+c) +a, b, c = list(map(int, input().split())) -#     endtime = time.clock() -#     print(endtime-starttime) -#     endtime = time.clock() -#     print(endtime-starttime) -#