水题。。。832A

A. Sasha and Sticks

#include <iostream>#include <stdio.h>using namespace std;int main(){  long long n,a,b;   while(cin>>a>>b)   {       if(b!=1)       { if((a/b)%2==1)           puts("YES");           else            puts("NO");       }       else if(b==1&&a%2==1)        puts("YES");            else        puts("NO");   }    return 0;}