#include <stdio.h>
#include <fcntl.h>

int main(int argc, char **argv) {
        int fd = open(argv[1],O_RDONLY);
        unsigned char c;
        while (read(fd, &c, 1)>0) {
		c = ~c - 0x38;
                printf("%c",c);
        }
        return 0;
}