#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char **argv) {
    char correct[100], guess[100];
    int i, j, count1, count2;
    while(scanf("%s %s",correct,guess)!=EOF)
    {
        count1=count2=0;

        for(i=0; i<strlen(correct); i++)
        {
            if(correct[i]==guess[i])
            {
                count2++;
                correct[i]='0';
                guess[i]='1';
            }
        }

        for(i=0; i<strlen(correct); i++)
        {
            for(j=0; j<strlen(guess); j++)
            {
                if(correct[i]==guess[j])
                {
                    count1++;
                    correct[i]='0';
                    guess[j]='1';
                }
            }
        }

        printf("%d %d\n",count2,count1);
    }

    return 0;
}