import java.util.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(foo(1234567, 6));  // vai retornar os seis primeiros
        System.out.println(foo(-2222666, 4)); // vai desconsiderar o '-' e retornar os 4 primeiros
        System.out.println(foo(123, 10));     // vai retornar o próprio número.
	}
 
	public static int foo(int number, int digits){
   		String str = Integer.toString(number);
   		if(digits> str.length())
       		return number;
 
    	boolean isNegative = str.startsWith("-");
    	return Integer.valueOf(str.substring(0, isNegative ? digits + 1 : digits));
	}
}

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