/* 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 String {
	public static java.lang.String valueOf(int i) {
		return "" + i*i;
	}
}
class Ideone
{
	public static void main (java.lang.String[] args) throws java.lang.Exception
	{
		System.out.println("" + 123);
		System.out.println(String.valueOf(123));
	}
}

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