import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import java.util.function.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.imageio.*;
import java.math.*;
import java.time.Duration;
class main {



static final short[] sqrUbyte_table = sqrUbyte_makeTable();

static int sqrUbyte(int ubyte) {
  return unsignedShortToInt(sqrUbyte_table[ubyte]);
}

static short[] sqrUbyte_makeTable() {
  short[] tbl = new short[256];
  for (int i = 0; i < 256; i++)
    tbl[i] = (short) (i*i);
  return tbl;
}
static int unsignedShortToInt(short i) {
  return i & 0x0FFFF;
}



}