Ladder statement

Find the largest Numnber:-

#include<iostream.h>
#include<conio.h>
void main()
  {
    int a,b,c;
    cout<<"Enter any three number:"<<endl;
    cin>>a>>b>>c;
    if(a>=b && a>=c)
       cout<<"a is largest number:"<<a<<endl;
      else if(b>=a && b>=c)
cout<<"b is largest number:"<<b<<endl;
else
  cout<<"c is largest number:"<<c<<endl;
     getch();
     }