#include<stdio.h>
int main() {
    int n;
    scanf("%d", &n);
    if (n <= 0 || n % 2==0 ) {
        printf("Invalid Input");
}
else {
    for(int i =n; i>= 1; i -= 2) {
        for (int j = 1; j <= 1; j++){
            printf("*");
        }
        printf("\n");
    }return 0;
}