BOJ_1476_날짜계산 문의

package algorithm;

import java.util.Scanner;

public class 날짜계산_1476 {

private static Scanner scan;

public static void main(String[] args) {

// TODO Auto-generated method stub

/*

* E , M , S --> 날짜 1<= E && E <= 15 1<= S && S <= 28 1<= M && M <= 19

*/

scan = new Scanner(System.in);

int m = 1, s = 1, e = 1;

int M = scan.nextInt();

int S = scan.nextInt();

int E = scan.nextInt();

for (int i = 1; i < 16 * 28 * 19; i++) {

if (e == E && s == S && m == M) {

System.out.println(i);

break;

}

m += 1;

s += 1;

e += 1;

if (e == 16)

e = 1;

if (s == 29)

s = 1;

if (m == 20)

m = 1;

}

}

}