#include <iostream> 
   
  int main() 
  { 
      using namespace std; 
      const int size = 12; 
      int a[size] = {4, 6, 3, 0, 7, 3, 0, 4, 6, 9, 7, 6}; 
      int b[10] = {}; 
      int i; 
   
      for (i=0; i<size; ++i) 
      { 
          switch (a[i]) 
          { 
          case 0: 
              ++b[0]; 
          case 1: 
              ++b[1]; 
              break; 
          case 2: 
              ++b[2]; 
              break; 
          case 3: 
              ++b[3]; 
              break; 
          case 4: 
              ++b[4]; 
              break; 
          case 5: 
              ++b[5]; 
              break; 
          case 6: 
              ++b[6]; 
              break; 
          case 7: 
              ++b[7]; 
              break; 
          case 8: 
              ++b[8]; 
              break; 
          case 9: 
              ++b[9]; 
              break; 
          } 
      } 
   
      for (i=0; i<10; ++i) 
      { 
          if(!b[i]) 
              cout << i << " yok\n"; 
      } 
      cin.get(); 
      return 0; 
  }