c

#include <stdio.h>
#include <string.h>

int main(void)
{
    char str[100] = {0};
    while(gets(str))
    {
        char dst[8] = {0};
        char *p = str;
        int len = strlen(str);
        int n = len%8;

        for (int i = 0; i < len/8; i++) {
            strncpy(dst, p, 8);
            fwrite(dst, 1, 8, stdout);
            memset(dst, 0, sizeof(dst));
            p += 8;
            printf("\n");
        }

        if (n != 0) {
            strncpy(dst, p, n);
            for (int i = 0; i < (8-n); i++) {
                dst[n + i] = '0';
            }
            fwrite(dst, 1, 8, stdout);
            printf("\n");    
        }
    }
    return 0;
}