class compute
{
public void perfect()
{
int sum=0;
for (int i=1;i<=100;i++)
{
for(int j=1;j<=i-1;j++)
{
if (i%j==0)
sum = sum + j;
}
if (sum==i)
System.out.println(i+" is a perfect number");
sum = 0;
}
System.out.println();
}
}