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

if a>b:
    if a>c:
        max = a
    else:
        max = c
else:
    if a<b:
        if c<b:
            max = b
        else:
            max = c

if max == a:
    if a== b+c:
        print("Yes")
    else:
        print("No")

elif max == b:
    if b== a+c:
        print("Yes")
    else:
        print("No")
        
elif max == c:
    if c== b+a:
        print("Yes")
    else:
        print("No")
