#include <stdio.h>

/* print line number and lines longer than 80 chars (excluding \n) */
int main()
{
    int c, i, ln;
    char buff[81]; /* +1 for \0 */

    ln = 1;
    buff[80] = '\0';

    for (i = 0; (c = getchar()) != EOF; ++i) {
        if (c == '\n') {
            if (i > 80)
                putchar('\n');
            ++ln;
            i = -1;
        } else if (i < 80) {
            buff[i] = c;
        } else {
            if (i == 80)
                printf("%d %s", ln, buff);
            putchar(c);
        }
    }

    if (i > 80 && c != '\n')
        putchar('\n');
}