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