h,i,b;main(a){scanf("%i",&h);h--;for(b=h-2;h>0;h--){for(i=1;i<h;i++)printf(" ");for(i=0;i<a;i++)printf("*");printf("\n");a+=2;}for(i=0;i<b;i++)printf(" ");printf("G*F\n");}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).