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.*;
class main {

static long memoryBeans_totalCommitted() {
  long totalCommitted = 0;
  for (var b : memoryPoolMXBeans())
    totalCommitted += b.getUsage().getCommitted();
  return totalCommitted;
}
static List<MemoryPoolMXBean> memoryPoolMXBeans() {
  return ManagementFactory.getMemoryPoolMXBeans();
}



}