Can You Write A Program To Check Whether A Number Is Armstrong Or Not?

#include<iostream.h>
#include<conio.h>
void main()
{
int Number,Temp,b=0;

cout<<"Enter any nuber to check";
cin>>Number;
Temp=Number;
int P;
while(Temp>0)
{
P=Temp%10;
b=b+P*P*P;
Temp=Temp/10;
}
if(b==Number)
{
cout<<"Armstrong no";
}
else
{
cout<<"Not an armstrong no";
}
getch();
}