#include <stdio.h>

struct student {
	int a;
	int b;
	int c;
};
int main(void) {
	
	struct student aiu = {1,'A',2};
	struct student eoka = {2,.c=14};
	
	printf("%d,%c,%d",aiu.a,aiu.b,aiu.c);
	printf("%d,%c,%d",eoka.a,eoka.b,eoka.c);
	return 0;
}