Find out max value between three Coding in C++

#include<iostream.h>
#include<conio.h>
void main()
{
       int a,b,c;
       clrscr(); // clear old output
       count<<"Enter first value";
       cin>>a;
       count<<"Enter second value";
       cin>>b;
       count<<"Enter third value";
       cin>>c;
           //Logic starts from here
                if(a>b && a>c)
                   cout<<"Max value is"<<a;
                else
                     if(b>c)
                        cout<<"Max value is"<<b;
                     else
                        cout<<"Max value is"<<c;
 getch(); //stuck screen on output screen
}