/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*
#include<stdio.h>
#include<string.h>
int main()
{
int i;
int a[105] = {};
scanf("%s", a);
if(strstr(a, ".dib"))printf("Paint.Picture");
else if(strstr(a,".docx"))printf("Word.Document.12");
else if(strstr(a,".doc"))printf("Word.Document.8");
else if(strstr(a,".html"))printf("htmlfile");
else if(strstr(a,".htm"))printf("htmfile");
else if(strstr(a,".hwpx"))printf("Hwp.Document.hwpx.96");
else if(strstr(a,".hwp"))printf("Hwp.Document.96");
else if(strstr(a,".hwt"))printf("Hwp.Document.hwt.96");
else if(strstr(a,".jpeg")||strstr(a,".jpe")||strstr(a,".jpg"))printf("jpegfile");
else if(strstr(a,".pptxml"))printf("powerpointxmlfile");
else if(strstr(a,".ppt"))printf("PowerPoint.Show.12");
}
*/
/*
#include<stdio.h>
#include<string.h>
int main()
{
}
*/