#include<cstdio>

#include<cstring>

int main()

{

    int N;

    char str[];

    int cnt[] = {};

    scanf("%d",&N); getchar();

    for(int j = ; j < N; j++){

        gets(str);

        if(strstr(str,"black")&&strstr(str,"blue")) cnt[]++;

        else if(strstr(str,"white")&&strstr(str,"gold")) cnt[]++;

        else cnt[]++;

    }

    double sum = cnt[] + cnt[] + cnt[];

    printf("%.10lf\n%.10lf\n%.10lf",cnt[]/sum*,cnt[]/sum*,cnt[]/sum*);

    return ;

}