/* The nervous English policeman. */

/* Note that on line n, n characters are printed.  Thus the loop counter must
   control the string "%s" format's precision (maximum width).
*/

#include <stdio.h>

main () {
    int count;
    for (count = 1; count <= 4; count++) {
        printf("%.*s\n", count, "Allo");
    }
}