def fun(arr, a):
    f = False
    for i in range(3):
        for j in range(3):
            t = arr.copy()
            if i != j:
                t[i] -= t[j]
                tmp = t[a]
                f = tmp == sorted(t)[1]
                if f:
                    break
        if f:
            break
    return f

arr = [*map(int, input().split())]

for i in range(3):
    if arr[i] == sorted(arr)[1]:
        print('YES')
    else:
        print('YES' if fun(arr, i) else 'NO')