#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int i,n,k,a; cin>>n; for(i=1;i<=n;i++){ for(k=1;k<=n-i;k++) cout<<" "; for(a=1;a<=i*2-1;a++) cout<<"*"; cout<<endl; } for(int z=1;z<=n-1;z++){ for(int x=1;x<=z;x++) cout<<" "; for(int x=1;x<=2*(n-z)-1;x++) cout<<"*"; cout<<endl; } return 0; }