#include<iostream> using namespace std; int main(){ int g,s,b,q; for(int i=1000;i<=9999;i++){ g=i/1%10; s=i/10%10; b=i/100%10; q=i/1000%10; if(((q/1000+b/100)+(s/10+g/1))*((q/1000+b/100)+(s/10+g/1))==g+s+b+q)cout<<i<<endl; } return 0; }