#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc,char **argv) {
        if(argc == 1) {
                fprintf(stderr,"usage: enc password salt\n");
        }
        if(argv[1] != NULL && argv[2] != NULL) {
                printf("%s\n",crypt(argv[1],argv[2]));
        }
        return (0);
}