#include <stdio.h>

int main() {
	int ev, ho, nap, n=0;
	
	printf("Kerek egy datumot EEEE.HH.NN. formaban: ");
	scanf("%d.%d.%d.", &ev, &ho, &nap);

	switch(ho){
		case 12:
			n+=30;
		case 11:
			n+=31;
		case 10:
			n+=30;
		case 9:
			n+=31;
		case 8:
			n+=30;
		case 7:
			n+=31;
		case 6:
			n+=31;
		case 5:
			n+=30;
		case 4:
			n+=31;
		case 3:
			n+=28;
			if(ev%4==0 && (ev%400==0 || ev%100!=0)){
				n+=1;
			}
		case 2:
			n+=31;
			break;
		default:
			n=nap;
	}
	
	printf("Ez az ev %d. napja.\n", n);
	
	return 0;
}