/* -*- coding: utf-8 -*-
 *
 * 3700.cc:  No.3700 逵溘ｓ荳ｭ (Middle) - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* main */

int main() {
  int as[3];
  for (int i = 0; i < 3; i++) scanf("%d", as + i);
  sort(as, as + 3);

  printf("%d\n", as[0] + as[2]);

  return 0;
}