不正经题解

#include<bits/stdc++.h>
using namespace std;
#define onekun 1
#define nokun 0
#define ikun for
#define jj while
#define kunint int
#define kunll long long
#define kunfloat float
#define kundb double
#define kunchar char
#define kunstring string
#define ji main
#define kunin cin
#define kunout cout
#define jinitaimei return
#define kunprintf printf
kunint ji(){
    kunint a,b;
    kunin>>a>>b;
    ikun(int i=0;i<a;i++){
        kunint j=a-i;
        if(i*2+j*4==b){
            kunout<<i<<"\n"<<j;
        }
    }
    jinitaimei nokun;
}