slurpee:~ ph1$ cat lol.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
        char *joel = malloc(1337);
        char *joel_2;
        int joel_int_1, joel_int_2;

        strcpy(joel, "1337:31337");

        for(joel_2 = joel ; *joel_2 != ':' ; joel_2++);
        *joel_2++ = 0;

        joel_int_1 = atoi(joel);
        joel_int_2 = atoi(joel_2);

        printf("%d %d\n", joel_int_1, joel_int_2);

        return 0;
}
slurpee:~ ph1$ ./a.out
1337 31337
slurpee:~ ph1$