#include <stdio.h>

int Static_Demo(int Init) {
   static int Hidden;
   if (Init==0) Hidden = Init; else Hidden++;
   if (Hidden<3) return Init;
   return Hidden;
}

void main() {
   printf("%d\n",Static_Demo(0));
   printf("%d\n",Static_Demo(1));
   printf("%d\n",Static_Demo(2));
   printf("%d\n",Static_Demo(3));
   printf("%d\n",Static_Demo(4));
   printf("%d\n",Static_Demo(1));
}