#include"stdio.h"
#include"string.h"
#include"stdlib.h"
char xx[20][10];
void readdat();
void writedat();

void jssort()
{
     int i,j,k;
     int str,half;
     char temp;

    for(i=0;i<20;i++)
       {
           str=strlen(xx[i]);
           half=str/2;
           for(j=0;j<half-1;j++)
              for(k=j+1;k<half;k++)
                   if(xx[i][j]>xx[i][k])
                   {
                         temp=xx[i][j];
                         xx[i][j]=xx[i][k];
                         xx[i][k]=temp;
                   }
              for(j=half-1,k=str-1;j>=0;j--,k--)
              {
                temp=xx[i][j]  ;
                 xx[i][j]=xx[i][k];
                 xx[i][k]=temp;
              }
       }
}

 void main()
 {
    readdat();
    jssort();
    writedat();
 }
 void readdat()
 {
    FILE *in;
    int i=0;
    char *p;
    in =fopen("IN76.dat","r");
    while(i<20&&fgets(xx[i],8,in)!=NULL)
    {
        p=strchr(xx[i],'\n');
        if(p) *p=0;
        i++;
    }
    fclose(in);
 }
 void writedat()
 {
    FILE *out;
    int i;
    system("CLS");
    out=fopen("out76.dat","w");
    for(i=0;i<20;i++)
    {
        printf("%s\n",xx[i]);
        fprintf(out,"%s\n",xx[i]);
    }
    fclose(out);
 }