#include<stdio.h>
#include<unistd.h>
#include<string.h>
#include<stdbool.h>

int main(int argc,char** argv)
{
	if(argc < 2){
		printf("Usage: %s [string]\n",argv[0]);
		return(1);
	}
	srand(time(NULL));
	long i,n,len = strlen(argv[1]);
	long x[len],rnd;
	for(i = 0;i < len;i++){
fux:
		rnd = rand()%len;
		for(n = 0;n < len;n++){
			if(rnd == x[n]) goto fux;
		}
		printf("%c",argv[1][rnd]);
		x[i] = rnd;
	}
	printf("\n");
	return(0);
}