#include#define int long long #define rep(i, a, b) for(int i=a;ib;--i) using namespace std; const int N = 10005; inline int read(){ int s=0,w=1; char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar(); return s*w; } void put(int x) { if(x<0) putchar('-'),x=-x; if(x>=10) put(x/10); putchar(x%10^48); } signed main(){ return 0; }



