/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class Calculator
{
	public long value = 1;
 
	public void add(long val){
		value = value * 37 + val;
	}
 
	public void remove(long val){
		value = (value - val) / 37;
	}
}
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Calculator o = new Calculator();
 
		for(long i = 0; i < 1000; i++){
			o.add(i);
		}
 
		System.out.println(o.value);
 
		for(long x = 0; x < 1000; x++){
			o.remove(x);
		}
 
		System.out.println(o.value);
	}
}

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