= ASCII码排序 =
http://acm.hdu.edu.cn/showproblem.php?pid=2000

{{{#!cplusplus
/*written by czk*/
#include <stdio.h>

void swap(char *s, int i, int j) {
    char c = s[i];
    s[i] = s[j];
    s[j] = c;
}

int main() {
    char a[3];
    while(scanf("%1s%1s%1s", &a[0], &a[1], &a[2]) != EOF) {
        if(a[0] > a[1])
            swap(a, 0, 1);
        if(a[0] > a[2])
            swap(a, 0, 2);
        if(a[1] > a[2])
            swap(a, 1, 2);
        printf("%c %c %c\n", a[0], a[1], a[2]);
    }
}
}}}