#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
inline long long r_ll(){
long long f=1,x=0;char c;
do{c=getchar();if(c=='-')f=-1;}while(c<'0'||c>'9');
do{x=x*10+c-'0';c=getchar();}while(c>='0'&&c<='9');
return f*x;
}
namespace A{
int a,b;
int work(){
return B::a+b;
}
}
namespace B{
int a,b;
int work(){
return A::a+b;
}
}
int main(){
A::a=r_ll(),A::b=r_ll(),B::a=r_ll(),B::b=r_ll();
printf("%d\n",A::work());
printf("%d\n",B::work());
return ;
}
类似的CE如何解决?