#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <string.h>
#include <math.h> 
using namespace std;
#define HIST_MIN -5
#define HIST_MAX 5 
#define HIST_BIN 100
int hist_init(double hist[3][HIST_BIN],double *hist_step){
  int i;
  *hist_step=(double)(HIST_MAX-HIST_MIN)/HIST_BIN;
  for(i=0;i<HIST_BIN;i++){
    hist[0][i]=(*hist_step)*i;
    hist[1][i]=(*hist_step)*(i+1);
    hist[2][i]=0;
  }
  return 0;
}

int hist_fill(double value,double hist[3][HIST_BIN],double hist_step){
  hist_step=(double)(HIST_MAX-HIST_MIN)/HIST_BIN;
  hist[2][(int)((value-HIST_MIN)/hist_step)]++;
  return 0;
}

int hist_output(double hist[3][HIST_BIN]){
  int i;
  for(i=0;i<HIST_BIN;i++){
    cout<<hist[0][i]<<"\t"<<hist[1][i]<<"\t"<<hist[2][i]<<endl;
  }
  return 0;
}

int main(int argc, char *argv[] )
{
  int i,num;
  double hist[3][HIST_BIN];
  double hist_step;
  double grade;
  hist_init(hist,&hist_step);
  num=0;
  while(cin>>grade){
    hist_fill(grade,hist,hist_step);
    num++;
  }
  hist_output(hist);

  return 0;
}