#include <sys/stat.h>
#include<fcntl.h>
#include<unistd.h>

int main(int argc, char* argv[]) {
    int exit = 0;
    int in = open(argv[1], O_RDONLY);
    if (in == -1) {
        exit = 1;
        goto end;
    }
    int out1 = open(argv[2], O_WRONLY | O_CREAT, 0640);
    int out2 = open(argv[3], O_WRONLY | O_CREAT, 0640);
    if (out1 == -1 || out2 == -1) {
        exit = 2;
        goto end;
    }

    ssize_t readin, reado1, reado2;
    char rbyte;
    int out;

    while ((readin=read(in, &rbyte, sizeof(rbyte))) > 0) {
        out = ('0' <= rbyte && rbyte <= '9') ? out1 : out2;
        if (-1 == write(out, &rbyte, sizeof(rbyte))) {
            exit = 3;
            goto end;
        }
    }
    if (-1 == readin) {
//		exit = 3;
        goto end;
    }

    end:
    close(in);
    close(out1);
    close(out2);
    return exit;
}