#include <iostream>
using namespace std;

class Number {
private:
        int a,b,c;
public:
    Number(int aa ,int bb,int cc){
            a = aa;
            b = bb;
            c = cc;
        };

    void maxValue(){
        if (a == b && b == c) {
            cout <<"모두 같다"<<endl;
        }else{
            int maxNum = a;
            if (b > maxNum) maxNum = b;
            if (c > maxNum) maxNum = c;
            cout << maxNum <<endl;
        }
    }
};

int main() {
    Number number(90,80,70);
    number.maxValue();
}