#include <iostream>
using namespace std;

class MaxFinder {
private:
    int numbers[5];
public:
    MaxFinder(int nums[5]) {
        for (int i = 0; i < 5; i++)
            numbers[i] = nums[i];
    }

    int findMax() {
        int maxVal = numbers[0];
        for (int i = 0; i < 5; i++) {
            if (numbers[i] > maxVal)
                maxVal = numbers[i];
        }
        return maxVal;
    }
};

int main() {
    int nums[5];
    for (int i = 0; i < 5; i++) cin >> nums[i];
    MaxFinder mf(nums);
    cout << "최대값: " << mf.findMax() << endl;
}