题解

拿去

#include <iostream>
using namespace std;
int main()
{
    int i,n;
    cin >>i>>n;
    for (int a = 1;a <= n;a++) {
		if (a / 2 + (n - a) / 4 == i) {
            cout << a / 2 << endl;
            cout << (n - a) / 4;
            break;
        }
    }
    return 0;
 }