#include <iostream>
using namespace std;

int main() {
    int N = 10;

    for (int i = 1; i <= N; i++) {
    	
        for (int j = 1; j <= N; j++) {
        	if (j <= i) {
            	cout << "*";
        	} else {
        		cout << ".";
        	}
        }
        
        cout << endl;
    }
}