#include <stdio.h>

const int MAX_LENGTH = 256;

int main(int argc, char *args[])
{
    char *progname = args[0];
    char buffer[MAX_LENGTH];

    while (fgets(buffer, sizeof(buffer), stdin) > 0)
    {
        printf("%s: %s", progname, buffer);
    }

    printf("Done!\n");
    return 0;
}