/******************************************************************************

                            Online Java Compiler.
                Code, Compile, Run and Debug java program online.
Write your code in this editor and press "Run" button to execute it.

*******************************************************************************/

public class Main
{
	public static void main(String[] args) {
	    
	    //zanka for
		int x;
		for (x=1; x<26;x++){
		    System.out.println(x);
		}
		
		//zanka while
		x=1;
		while (x<26){
		    System.out.println(x);
		    x++;
		}
		
		//zanka do while
		x=1;
		do{
		    System.out.println(x);
		    x++;
		}while(x < 26);
		
	}
}