#include<stdio.h>
#include<math.h>
struct tip_play{
    double all,yr; };
int main()
{
    //INPUT will be done with spaces
    tip_play plys[11];
    double avrg=0.0,lrgyr=-1.0,minyr=-1.0,avrgtot=0.0;
    int i,d,pozmax;
    for(i=1;i<=10;i++)
    {
        scanf("%d%lf",&d,&plys[i].all);
        plys[i].all=plys[i].all*1000000.0;
        plys[i].yr=plys[i].all/(double)d;
        avrg=avrg+plys[i].yr/10.0;
        if(lrgyr<plys[i].yr)
        {
            lrgyr=plys[i].yr;
            pozmax=i;
        }
        if(plys[i].yr<minyr||minyr==-1.0)
            minyr=plys[i].yr;
        avrgtot=avrgtot+(plys[i].yr/16-plys[i].yr/18)/10;
    }
    printf("%0.lf\n",round(avrg));
    printf("%0.lf by #%d\n",round(lrgyr),pozmax);
    printf("%0.lf\n",round(lrgyr/16.0-minyr/16.0));
    printf("%0.lf\n",round((lrgyr/18.0+minyr/18.0)/2));
    printf("%0.lf\n",round(avrgtot));
    return 0;
}