fefeasdadsa

///FirstType.h
#ifndef _FIRSTTYPE_H
#define _FIRSTTYPE_H

class SecondType;
class FirstType{
    int pr1;
    friend int max_value(FirstType& f, SecondType& s);
    public:
    FirstType(int);
};

#endif
///FirstType.cpp
#include "FirstType.h"
FirstType::FirstType(int pr1): pr1(pr1){}

///SecondType.h
#ifndef _SECONDTYPE_H
#define _SECONDTYPE_H
#include "FirstType.h"

class SecondType{
    int pr1, pr2;
    friend int max_value(FirstType& f, SecondType& s);
    public:
    void set_properties(int, int);
};

#endif

///SecondType.cpp
#include "SecondType.h"
void SecondType::set_properties(int pr1, int pr2){
    this->pr1=pr1;
    this->pr2=pr2;
}
int max_value(FirstType& f, SecondType& s){
    if(f.pr1>s.pr1&&f.pr1>s.pr2) return f.pr1;
    else if(s.pr1>f.pr1&&s.pr1>s.pr2) return s.pr1;
    else return s.pr2;
}

///main.cpp
#include <iostream>
#include "FirstType.h"
#include "SecondType.h"
using namespace std;
int main()
{
    int n1,n2;
    cin>>n1;
    FirstType f(n1);
    cin>>n1>>n2;
    SecondType s;
    s.set_properties(n1,n2);
    cout<<max_value(f,s);
    return(0);
}