21

 

#include<iostream>
using namespace std;
int main()
{
int n=100,a,b,c;
for(n=100;n<=999;n++)
{
a=n/100;
b=n/10-a*10;
c=n-a*100-b*10;
if(n==a*a*a+b*b*b+c*c*c)
cout<<n<<endl;
}
}