#include <cstdlib>
#include <iostream>

using namespace std;
int main()
{
    int  c;
    while (1){
          if ((c=getchar())<' ')
          continue;
          if(c=='z')
          break;
          putchar(c);
          }
    printf("\nCitanie znaku bolo ukoncene.\n");
    system("PAUSE");
    return 0;
}