IsPerfect

import acm.program.ConsoleProgram;

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/**
 *
 * @author prb7
 */
public class Problema1 extends ConsoleProgram{
    public void run(){
    }
    public boolean isPerfect(int n){
        int suma=1, n_aux=n/2;
        while(n_aux>1){
            if(n_aux>1){
                suma+=n_aux;
            }
            n_aux--;
        }
        return(n==suma);
    }

}