#include<stdio.h>
int main()
{int x,a,b,c;
scanf("%d",&x);
do{
a=b=0;
while(x)
{if(x%2)b++;
else a++;
x/=10;
};
c=a+b;
if(a)x=a*100+b*10+c;
else x=b*100+c;
printf("-->%d\n",x);
}while(x!=123); ?
return 0;
}