#include <stdio.h>
int main(void) {
// your code goes here
char ch;
if((ch>='0')&&(ch<='9'))
{
}
else if((ch>='a')&&(ch<='z'))
{
}
else if((ch>='A')&&(ch<='Z'))
{
}
else if(ch==' ')
{
}
else
{
}
return 0;
}
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