10424.cpp

#include<iostream>
#include<stdio.h>
using namespace std;
long long digSum(long long n){
     long long sum=0;
     while(n>0){
                sum+=n%10;
                n/=10;
     }
     return sum;
}
int main(){
    string strA,strB;
    while(getline(cin,strA) && getline(cin,strB)){
                           int lenA=strA.length(), lenB=strB.length(),i;
                           long long sumA=0,sumB=0;
                           for(i=0;i<lenA;i++){
                                               if(isalpha(strA[i])){
                                                         if(isupper(strA[i]))
                                                                            sumA+=(strA[i]-'A'+1);
                                                         else
                                                                            sumA+=(strA[i]-'a'+1);
                                               }
                           }
                           while(sumA>9) 
                                         sumA=digSum(sumA);
                           for(i=0;i<lenB;i++){
                                               if(isalpha(strB[i])){
                                                         if(isupper(strB[i]))
                                                                            sumB+=(strB[i]-'A'+1);
                                                         else
                                                                            sumB+=(strB[i]-'a'+1);
                                               }
                           }
                           while(sumB>9)
                                        sumB=digSum(sumB);
                                         
                           double ratio;
                           if(sumA<=sumB)
                                         ratio=(double)sumA/(double)sumB;
                           else
                                         ratio=(double)sumB/(double)sumA;
                           ratio*=100.00;
                           printf("%.2lf",ratio);
                           cout<<" %\n";
    }
    return 0;
}