#include <stdio.h>
enum escapes { BELL = '\a', BACKSPACE = '\b', TAB = '\t',
NEWLINE = '\n', VTAB = '\v', RETURN = '\r' };
enum months { JAN = 1, FEB, MAR, APR, MAY, JUN,
JUL, AUG, SEP, OCT, NOV, DEC };
/* FEB is 2, MAR is 3, etc. */
int main() {
printf("BELL, BACKSPACE, TAB, NEWLINE, VTAB, RETURN\n");
printf("%o %o %o %o %o %o\n",BELL, BACKSPACE, TAB, NEWLINE, VTAB, RETURN);
for (int i = JAN; i <= DEC; i++)
printf("%d ", i);
printf("\n");
return 0;
}