#include <iostream>
using namespace std;
double maxVal(double a, double b) {
return (a + b + abs(a-b)) / 2;
}
int main() {
double a, b, c, max, max1;
scanf("%lf%lf%lf", &a, &b, &c);
max1 = maxVal(a, b);
max = maxVal(max1, c);
printf("%.f eh o maior", max);
return 0;
}