#include<iostream.h>
#include<conio.h>
int &max(int &a,int &b,int &c)
{
    if(a>b&&a>c)
        return a;
    elseif(b>a&&b>c)
        return b;
    elsereturn c;
}

main()
{
    clrscr();
    int a,b,c;
    cout<<"Please enter the value for a and b:";
    cin>>a>>b>>c;
    cout<<"Maximum is :"<<max(a,b,c)<<"\n";
}