// PR Bab 06, soal 1 -- pembahasan.

#include <iostream>
using namespace std;

int maksimum(int a, int b) {
    return (a > b) ? a : b;
}

int maksimum3(int a, int b, int c) {
    return maksimum(maksimum(a, b), c);
}

int main() {
    int a, b, c;
    cin >> a >> b >> c;
    cout << maksimum3(a, b, c) << "\n";
    return 0;
}