/* a7-3-1.c */
#include <stdio.h>
#include <ctype.h>

int main(void)
{
	char str[] = "AbcDefGHijk1234lmNOP";
	char *p;

	p = str;
	while (*p != '\0') {
		*p = toupper(*p);
		printf("%c", *p);
		p++;
	}

	return 0;
}
