#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#define NN (300)

int main(int argc,char **argv) {
  static unsigned char tm[3][4];
  static float dat0[3][900];
  static float dat1[3][900];
  double ts;
  double ts0;
  double ts1;
  int i;
  static int nn[3];
  static float datd[900];
  int n;

  //sscanf(argv[1],"%lf",&ts0);
  //sscanf(argv[2],"%lf",&ts1);

  for (i=0;i<900;i++) datd[i]=-999;

  for (n=0;n<172800;n++) {
    fread(tm[n%3],sizeof(unsigned char),4,stdin);if (feof(stdin)) break;
    fread(dat0[n%3],sizeof(float),900,stdin);
    fread(dat1[n%3],sizeof(float),900,stdin);

    //ts=(unsigned int)tm[0]+((unsigned int)tm[1])/60.0+((unsigned int)tm[2])/3600.0+0.01*((unsigned int)tm[3])/3600.0;
    //printf("%d %d %d %d\n",tm[0],tm[1],tm[2],tm[3]);

    nn[n%3]=0;
    for (i=300;i<900;i++) {
      if (dat0[n%3][i]>90) nn[n%3]++;
    }
    if (n>=2) {
      fwrite(tm[(n-1)%3],1,4,stdout);
      if ((nn[n%3]<NN)&&(nn[(n-1)%3]>NN)&&(nn[(n-2)%3]<NN)) {
        fwrite(datd,sizeof(float),900,stdout);
        fwrite(datd,sizeof(float),900,stdout);
      }
      else {
        fwrite(dat0[(n-1)%3],sizeof(float),900,stdout);
        fwrite(dat1[(n-1)%3],sizeof(float),900,stdout);
      }
    }
    if (n==172800-1) {
      fwrite(tm[n%3],1,4,stdout);
      fwrite(datd,sizeof(float),900,stdout);
      fwrite(datd,sizeof(float),900,stdout);
    }
  }
  exit(0);
}