import java.io.*;
import java.util.*;
public class Diagonals{
private int spaces;
private int rows;
public String diag(int n){
String s = "";
for (rows = 1; rows <= n; rows ++){
for (spaces = 0;spaces < rows; spaces++){
s = s + (" ");
}
s = s + "*"+ "\n";
}
return s;
}
}