#include<stdio.h>#include<string.h>int main(){ char s[1001], d[1001]; while (gets(s) != NULL) { int i, z = 0, o = 0, j = 0, seven = 0; int index = 0, len = strlen(s); for (i = 0; i < len; i++) { if (s[i] == 'Z') z++; else if (s[i] == 'O') o++; else if (s[i] == 'J') j++; else if (s[i] == '7') seven++; else d[index++] = s[i]; } for (i = 0; i < z; i++) putchar('Z'); for (i = 0; i < o; i++) putchar('O'); for (i = 0; i < j; i++) putchar('J'); for (i = 0; i < seven; i++) putchar('7'); for (i = 0; i < index; i++) putchar(d[i]); putchar('n'); } return 0;}
