CSP date calculation

#include<bits/stdc++.h>

using namespace std;

bool yJudge(int y) {
    
	if (y % 4 == 0 && y % 100 != 0 || y % 400 == 0) {
    
		return true;
	}
	return false;
}

int m1[12] = {
    31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; // Leap year 
int m2[12] = {
    31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
int main() {
    
	int y, d;
	scanf("%d%d", &y, &d);
	int flag = 0;
	int t = d;
	int mongth, date;
	if (yJudge(y)) {
    
		for (int i = 0; i < 12&&t>0; i++) {
    
				t = t - m1[i];
			mongth = i + 1;
			date = t + m1[i];
		}
	} else {
    
		for (int i = 0; i < 12&&t>0; i++) {
    
				t = t - m2[i];
			mongth = i + 1;
			date = t + m2[i];
		}
	}
	printf("%d\n%d",mongth,date);
	return 0;
}