#include <iostream>
using namespace std;
struct node {
int a;
};
int main() {
// your code goes here
struct node node1;
node node2;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKc3RydWN0IG5vZGUgewoJaW50ICBhOwp9OwoKaW50IG1haW4oKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglzdHJ1Y3Qgbm9kZSAgbm9kZTE7Cglub2RlICAgICAgICAgbm9kZTI7CglyZXR1cm4gMDsKfQ==