import java.util.*;
import java.lang.*;
import java.io.*;

// The main method must be in a class named "Main".
class Main {
    public static void main(String[] args) {
        int term=10;
        for(int i=1;i<=term;i++){
            for(int j=1;j<=i;j++){
                System.out.print("* ");
            }
            System.out.println(" ");
        }
    }
}