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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int m,n;
  6.     while(cin>>m>>n){
  7.         if (n==1) cout<<"YES"<<endl;
  8.         else{
  9.             if ((m%2)!=(n%2))  cout<<"YES"<<endl;
  10.             else cout<<"NO"<<endl;
  11.  
  12.  
  13.         }
  14.  
  15.     }
  16. }
  17.  
Success #stdin #stdout 0.01s 5300KB
comments (?)
stdin
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7 3
3 6
 2 5
 1 4
 7 4
stdout
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NO
YES
YES
YES
YES
https://ideone.com/x0TyIq
language:
C++ (gcc 8.3)
created:
8 hours ago
visibility:
public

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