prob2.cpp

// C++
#include <stdio.h>
#include <sstream>
using namespace std;

int main()
{
  stringstream seq;
  int next;

  seq.str("7 3 5 8 -1 0 6 7");

  while( ! seq.eof())
  {
    seq >> next;

    if (seq.eof() && next == 7)
      printf("%d ", next);

    switch(next)
      case  7:
      case  8:
      case -1:
      case  0:
        continue;

    printf("%d ", next);
  }
  return 0;
}