UVA Problem ID 10976 (Fractions Again)

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class Main {
	public static void main (String args[]) throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String input;
		
		StringBuilder sb1=new StringBuilder(1000);
		while((input=br.readLine())!=null)
		{
			StringBuilder sb=new StringBuilder(1000);
			int k=Integer.parseInt(input);
			int count=0;
			for (int i = k+1; i <= k*2; i++) {
				
				if((i*k)%(i-k)==0)
				{
					count++;
					sb.append("1/"+k+" = 1/"+((k*i)/(i-k))+" + 1/"+i+"\n");				
				}
			}
			sb1.append(count+"\n"+sb);
		}
		System.out.print(sb1);
	}
}