#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <string.h>
#include <math.h> 
using namespace std;
#define HIST_MIN 0
#define HIST_MAX 50 
#define HIST_BIN 10
int output_hist(int value){
  cout <<value<<"\t";
  value=0;
  cout <<value<<"\t";
  return 0;
}
int main(int argc, char *argv[] )
{
  int i,num;
  double hist[3][HIST_BIN];
  double hist_step=(double)(HIST_MAX-HIST_MIN)/HIST_BIN;
  double grade;
  for(i=0;i<HIST_BIN;i++){
    hist[0][i]=hist_step*i;//hist[0] for lower bound
    hist[1][i]=hist_step*(i+1);// hist[1] for upper bound
    hist[2][i]=0; //hist[2] for contents
  }
  num=0;
  while(cin>>grade){
    hist[2][(int)(grade/hist_step)]++; // filling the histgram
    //    cout << grade<<"\t"<<hist[0][(int)(grade/hist_step)]<<"\t"<<hist[1][(int)(grade/hist_step)]<<"\t"<<hist[2][(int)(grade/hist_step)]<<endl;
    // check for histgram filling
    num++;
  }
  for(i=0;i<HIST_BIN;i++){
    cout<<hist[0][i]<<"\t"<<hist[1][i]<<"\t"<<hist[2][i]<<"\t";
    output_hist(hist[2][i]);
    cout<<hist[2][i]<<endl;
    
  }

  return 0;
}