/*
TASK:hexa
LANG:C
*/
#include <stdio.h>

 long cnt;
 char ch;

 int main ()
  {
   cnt=0;
   while (1)
    {
     ch='!';
     scanf("%c",&ch);
     if (ch=='1')
      cnt++;
     if (ch=='!')
      break;
    }
   printf("%ld %ld\n",cnt,cnt/2);
   return 0;
  }
