#include <stdio.h>
int main(void) {
char ch;
//your code goes here
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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