Love Calculator

#include <bits/stdc++.h>
using namespace std;
#define PB push_back
#define ZERO (1e-10)
#define INF (1<<29)
#define CL(A,I) (memset(A,I,sizeof(A)))
#define DEB printf("DEB!\n");
#define D(X) cout<<"  "<<#X": "<<X<<endl;
#define EQ(A,B) (A+ZERO>B&&A-ZERO<B)
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef pair<int,int> ii;
typedef vector<ii> vii;
#define IN(n) int n;scanf("%d",&n);
#define FOR(i, m, n) for (int i(m); i < n; i++)
#define REP(i, n) FOR(i, 0, n)
#define F(n) REP(i, n)
#define FF(n) REP(j, n)
#define FT(m, n) FOR(k, m, n)
#define aa first
#define bb second
void ga(int N,int *A){F(N)scanf("%d",A+i);}
#define MP(C) (isalpha(C)?tolower(C)-96:0)
#define MX (1<<17)
int rec(int a){
    if(a<10)return a;
    int S(0);
    while(a)S+=a%10,a/=10;
    return rec(S);
}
int sc(char*s){
    int S(0),L(strlen(s));
    F(L)S+=MP(s[i]);
    return rec(S);
}
char s[MX],r[MX];
int a,b;
int main(void){
    while(fgets(s,MX,stdin),fgets(r,MX,stdin))
        a=sc(s),b=sc(r),max(a,b)?printf("%.2lf %%\n",min(a,b)*100./max(a,b)):puts("");
    return 0;
}