
main() {
  int i, j;
  for (i=0;i<3;i=i+1)
    for(j=0;j<3;j=j+1)
      print(j+i);

  if (i == 1)
    do {i=i-1;} while(i >-5);
      i=i-10;
//    for (i=0;i<10;i=i+1) ;
//  else
    print("0000000");

  print(i);
  puts("");
  print("execution ended without problems!");

}
