include <stdio.h>

void printPattern(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= i; j++) {
            printf("*");
            
        }
        printf("\n");
        
    }
    for (int i = n - 1; i >=1; i--) {
        for (int j = 1; j<=i; j++) {
            printf("*");
        }
        printf("\n");
        
    }
    
    int main() {
        int n;
        scanf("%d", &n);
         if (n < 1||n > 10) {
             printf("Invalid input\n");
             
        }else {
             printPattern(n);
         }
    }
}