#include <stdio.h>

float cons[101], time[101], race[101], fuel[101], fuel[101];
int since[101], stops[101], nstops[101];

main(){
   int laps,i,j,k,l;
   float lapt, laptinc, lapc, lapcinc, pt, ptinc;
   int nstops,lastop;

   while (7 == scanf("%d %f %f %f %f %f %f\n",
          &laps, &lapt, &laptinc, &lapc, &lapcinc, &pt, &ptinc)){
      fprintf(stdout,"%d %g %g %g %g %g %g\n",
          laps, lapt, laptinc, lapc, lapcinc, pt, ptinc);

      for (i=0; i < laps; i++){
        float x = (cons[i]*lapcinc + lapc)/(1-lapcinc);
        cons[i+1] = cons[i] + x;
        time[i+1] = time[i] + lapt + laptinc*cons[i+1];
      }

      for (i=0;i<=laps;i++){
         race[i] = time[i];
         since[i] = i;
      }

      for (i=1;i<laps;i++){
         for (j=1;j<=laps-i;j++){
            float x = race[i] + time[j] + pt + ptinc*cons[j];
            if (x < race[i+j]) {
               race[i+j] = x;
               since[i+j] = j;
            }
         }
      }

     nstops = 0;
     lastop = laps; 
     for(;;){
       if (lastop == 0) break;
       stops[nstops] = lastop - since[lastop];
       fuel[nstops] = cons[since[lastop]];
       lastop -= since[lastop];
       if (lastop == 0) break;
       nstops++;
     } 

     printf("%g %g %d\n",race[laps],fuel[nstops],nstops);
     for (i=nstops-1;i>=0;i--){
        printf("%d %2g\n",stops[i],fuel[i]);
     }
   }
}