/*
 * @topic T00325 Apr 18 -- how to skip digits v.1
 * @brief Program demonstrates <tt>&lt;cctype&gt</tt> header and <tt>isdigit()</tt> function
*/
#include <iostream>
#include <cctype>

using namespace std;

int main()
{
    // This version of the program reads characters
    // from the standard input device.

    int onechar; // using int because char cannot represent EOF

    while ( ( onechar = std::cin.get() ) != EOF ) {
        if ( isdigit( onechar ) ) {
            continue; // skip digit
        }
        std::cout.put( onechar ); // print a non-digit character
    }
    return 0;
}