#include <stdio.h>

int main() {
	char a = 'A';
	char b = 65;
	int c = 65;
	int d;

	printf("a = %c\n",a);
	printf("b = %c\n",b);
	printf("c = %c\n",c);

	d = a + b + c;
	printf("d = %d\n",d);

	d = 'a' + 'A';
	printf("d = %d\n",d);

	printf("char a = %c und %d\n",a,a);
	printf("char b = %c und %d\n",b,b);
	printf("int c = %c und %d\n",c,c);
	return 0;
}