#include<stdio.h>
#include<string.h>
int main()
{
    char arr[30],arr1[30];
    int a,b,i,sum,sum1;
    double y,z,t,u;
    while(gets(arr)&&gets(arr1))
    {
        sum=0;
        sum1=0;
        a=strlen(arr);
        b=strlen(arr1);
        for(i=0; i<a; i++)
        {
            if(arr[i]>='a' && arr[i]<='z')
            {
                sum=sum+(arr[i]-96);
            }
            else if(arr[i]>='A' && arr[i]<='Z')
            {
                sum=sum+(arr[i]-64);
            }
        }
        for(i=0; i<b; i++)
        {
            if(arr1[i]>='a' && arr1[i]<='z')
            {
                sum1=sum1+(arr1[i]-96);
            }
            else if(arr1[i]>='A' && arr1[i]<='Z')
            {
                sum1=sum1+(arr1[i]-64);
            }
        }
        while(sum>9)
        {
            sum=(sum/10)+sum%10;
        }
        while(sum1>9)
        {
            sum1=(sum1/10)+sum1%10;
        }
        t=sum;
        u=sum1;
        if(t>u)
        {
            y=u/t;
            z=y*100;
            printf("%.2lf %%\n",z);
        }
        else
        {
            y=t/u;
            z=y*100;
            printf("%.2lf %%\n",z);
        }
    }
    return 0;
}