#include <cstdio>
#include <cstring>

int main() {
    int n, mid;
    char mp[110][110];
    memset(mp, ' ', sizeof(mp));
    scanf("%d", &n);
    mid = n / 2 + 1;
    for(int i = 1; i <= mid; ++i) {
        mp[i][mid] = '*';
        for(int j = 1; j < i; ++j)
            mp[i][mid - j] = mp[i][mid + j] = '*';
    }

    for(int i = 1; i <= mid; ++i) {
        for(int j = 1; j <= n; ++j)
            putchar(mp[i][j]);
        putchar('\n');
    }

    for(int i = mid - 1; i >= 1; --i) {
        for(int j = 1; j <= n; ++j)
            putchar(mp[i][j]);
        putchar('\n');
    }
    return 0;
}