public class Uebung {
  public static void main(String arg[]) {
    int y; int x;
	for ( y = 1; y <= 10; y++ ) {
	  for ( x = 1; x <= 10; x++ ) {
		if ( y == x ) {
		  System.out.print("x");
		} else {
		  System.out.print(" ");
		}
	  }
	  System.out.println("");
	}
  }
}