#include <stdio.h>
#include <string.h>
#include <stdbool.h>

#define N_MAX 100
#define M_MAX 1000
#define INF 10000000
#define SMAP(a, b) ((a)!=(b))&&((a)^=((b)^=((a)^= (b))))

typedef unsigned long long ull;

int d[M_MAX];
int n, m;

int i, j, k;

int e[M_MAX][2];

void deb(){
	return;
}

void solve(){
	return;
}

int main (void) {
	scanf("%d %d %d\n", &i, &j, &k);

	if (a == b+c || b == c+a || c == a+b) {
		puts("Yes");
	} else {
		puts("No");
	}

	solve();
	return 0;
}


