13_integer_literals.c
#include <stdio.h>
int a = 24680;
int b = 01234567;
int c = 0x2468ac;
int d = 0x2468AC;
int e = 0b010101010101;
printf("%d\n", a);
printf("%d\n", b);
printf("%d\n", c);
printf("%d\n", d);
printf("%d\n", e);
void main() {}