#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//#include <unixstd.h>
//#include <io.h>

int XStarting, XFinish, XStep, YStarting, YFinish, YStep;

const char tmpjpgfile[]="tmp.jpg";
const char _tmpjpgfile[]="_tmp.jpg";

void main(int argc, char**argv)
{
	int t1,t2,t3;
	int counter=0;
	while (scanf("%d %d %d",&t1,&t2,&t3)==3)
	{
		counter++;

		if (t3<1000000 && t3>0)
		{
			int XCounter,YCounter;

			char FileName[1024];
			char TargetFileNamePPM[1024];
			char DirName[1028];
			char TargetFileNameJPG[1024];
			char Str[1256];

			sprintf(FileName,"%d_%d.jpg",t1,t2);
			sprintf(TargetFileNamePPM,"%d%d.ppm",t1,t2);
			sprintf(TargetFileNameJPG,"%d%d.jpg",t1,t2);
			strcpy(DirName,FileName);
			DirName[0]='0';
			DirName[3]='\x00';
			strcpy(Str,"djpeg.exe ");
			strcat(Str,DirName);
			strcat(Str,"\\");
			strcat(Str,FileName);
			strcat(Str," ");
			strcat(Str,DirName);
			strcat(Str,"\\");
			strcat(Str,TargetFileNamePPM);
//			printf("%s\n",Str);
			system(Str);

			strcpy(Str,"cjpeg.exe -grayscale -optimize -quality 24 ");
			strcat(Str,DirName);
			strcat(Str,"\\");
			strcat(Str,TargetFileNamePPM);
			strcat(Str," ");
			strcat(Str,DirName);
			strcat(Str,"\\");
			strcat(Str,TargetFileNameJPG);
//			printf("%s\n",Str);
			system(Str);
			strcpy(Str,"del ");
			strcat(Str,DirName);
			strcat(Str,"\\");
			strcat(Str,TargetFileNamePPM);
			system(Str);
		}
	}
}