#include<stdio.h>
#define N 3
int main()
{
	int a[N];
	int i, j, t;
	for (int i = 0; i < N; i++)
		scanf("%d", &a[i]);
	for (i = 0; i < N; i++)
		for (j = 0; j < N-1; j++)
			if (a[j] > a[j + 1])
			{
				t = a[j];
				a[j] = a[j + 1];
				a[j + 1] = t;
			}
	printf("%d", a[2]);
	return 0;
}