/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int maxWidth = 72;
		int[] properDivisors = {
		1,2,3,4,6,7,12,13,14,21,26,28,39,42,52,78,79,84,91,
		156,158,182,237,273,316,364,474,546,553,948,1027,
		1092,1106,1659,2054,2212,3081,3318,4108,6162,6636,
		7189,12324,14378,21567,28756,43134,
		};
String prefix = "...proper divisors: ";
// Same number of chars as prefix, just all spaces.
String emptyPrefix = prefix.replaceAll(".", " ");
for (int i = 0; i < properDivisors.length; ++i) {
 
  // Take as many of the items in the array as you can, without exceeding the
  // max line length.
  StringBuilder sb = new StringBuilder(prefix);
  for (; i < properDivisors.length; ++i) {
    int lengthBefore = sb.length();
 
    // Append the next item, and comma, if it would be needed.
    sb.append(properDivisors[i]);
    if (i + 1 < properDivisors.length) sb.append(",");
 
    if (sb.length() > maxWidth) {
      // Truncate back to the length before appending.
      sb.setLength(lengthBefore);
      break;
    }
  }
  System.out.println(sb);
 
  // Blank out the prefix, so you will print leading spaces on next line.
  prefix = emptyPrefix;
}
	}
}

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