1 #include<stdio.h> 2 int main() 3 { 4     char a,b,c,t; 5     while(scanf("%c%c%c",&a,&b,&c)!=EOF) 6     { 7         getchar(); 8         if(a>b) 9         {10             t=a;11             a=b;12             b=t;13         }14         if(b>c)15         {16            t=b;17            b=c;18            c=t;19         }20         if(a>b)21         {22            t=a;23            a=b;24            b=t;25         }26         printf("%c %c %c\n",a,b,c);27     }28     return 0;29 }