#include <iostream>
#include <bits/stdc++.h>
using namespace std;

int main() {
    int max = INT_MIN, n, temp;
    while (cin) {
        n=10;
        while (n != 0) {
            cin >> temp;
            if (temp > max) {
                max = temp;
            }
            n--;
        }
    }
    cout << "max=" << max << endl;
}