#include<stdio.h>
#define MAX 3

int main() {
    float a[MAX],i,SUM;
    for(i=0;i<MAX;i++){
      if(scanf("%d",&a[i]) == 1)
      if(a[i]<=0||a[i]>100){
        printf("No");
      }
      SUM+=a[i];
    }
    SUM=(SUM/2);
    if(SUM==a[0]||SUM==a[1]||SUM==a[2]){
      printf("Yes");
    }else{
      printf("No");
    }
    return 0;
}
