#include <stdio.h>
void fun(long n,int c0,int c1)
{ int k;
c0=c1=0;
do
{
k= n%10;
if(k==0) (c0)++;
if(k==1) (c1)++;
n=n%10;
}
while (n);
}
main()
{ long n; int c0,c1;
printf("input n:");
scanf("%ld",&n);
fun(n,&c0,&c1);
printf("c0=%d,c1=%d\n",c0,c1);
}