#include <bits/stdc++.h>
void ABC42(void);
void ABC43(void);
void ABC44(void);
void ABC45(void);
void ABC46(void);
void ABC47(void);
int main(void) {
  ABC47();
  return 0;
}
void ABC42(void) {
  int a, b, c, n = 0;
  scanf("%d %d %d", &a, &b, &c);
  if (a == 7 || b == 7 || c == 7) {
    if ((a == 5 && b == 5) || (b == 5 && c == 5) || (c == 5 && a == 5)) {
      printf("YES");
      n++;
    }
  }
  if (n == 0) printf("NO");
}
void ABC43(void) {
  int i, n, sum = 0;
  scanf("%d", &n);
  for (i = 1; i <= n; i++) {
    sum += i;
  }
  printf("%d", sum);
}
void ABC44(void) {
  int n, k, x, y, i, sum = 0;
  scanf("%d", &n);
  scanf("%d", &k);
  scanf("%d", &x);
  scanf("%d", &y);
  if (n > k) {
    for (i = 1; i <= k; i++) sum += x;
    for (i = k + 1; i <= n; i++) sum += y;
  } else {
    for (i = 1; i <= n; i++) sum += x;
  }
  printf("%d", sum);
}
void ABC45(void) {
  int a, b, h;
  scanf("%d", &a);
  scanf("%d", &b);
  scanf("%d", &h);
  printf("%d", (a + b) * h / 2);
}
void ABC46(void) {
  int a, b, c, n;
  scanf("%d %d %d", &a, &b, &c);
  if (a == b || b == c || c == a) {
    n = 2;
    if (a == b && a == c) n = 1;
  } else {
    n = 3;
  }
  printf("%d", n);
}
void ABC47(void) {
  int a, b, c;
  scanf("%d %d %d", &a, &b, &c);
  a = a + b + c;
  if ((a % 2) == 0) {
    printf("Yes");
  } else {
    printf("No");
  }
}
