#include<iostream>
#include<algorithm>
#include<cmath>
#include<cstdio>
#include<vector>
using namespace std;
int num[1010];
int main()
{
    int N,D,s1=0,s2=0;
    double e;
    cin>>N>>e>>D;
    for(int i=0;i<N;i++)
    {
        int k=0,sum=0;
        cin>>k;
        for(int i=0;i<k;i++)
        {
            double sum1=0.0;
            cin>>sum1;
            if(sum1<e)
                sum++;
        }
        if(sum*2>k&&k>D)
            s1++;
        if(sum*2>k&&k<=D)
            s2++;
    }
    printf("%.1lf%% %.1lf%%\n",s2*1.0/N*100,s1*1.0/N*100);
    return 0;
}