static int count_pairs ( int a [ ] , int b [ ] , int n , int m ) {
  int odd1 = 0 , even1 = 0 ;
  int odd2 = 0 , even2 = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( a [ i ] % 2 == 1 ) {
      odd1 ++ ;
    }
    else {
      even1 ++ ;
    }
  }
  for ( int i = 0 ;
  i < m ;
  i ++ ) {
    if ( b [ i ] % 2 == 1 ) {
      odd2 ++ ;
    }
    else {
      even2 ++ ;
    }
  }
  int pairs = Math . min ( odd1 , even2 ) + Math . min ( odd2 , even1 ) ;
  return pairs ;
}

static int count_pairs ( int a [ ] , int b [ ] , int n , int m ) { int odd1 = 0 , even1 = 0 ; int odd2 = 0 , even2 = 0 ; for ( int i = 0 ; i < n ; i ++ ) { if ( a [ i ] % 2 == 1 ) { odd1 ++ ; } else { even1 ++ ; } } for ( int i = 0 ; i < m ; i ++ ) { if ( b [ i ] % 2 == 1 ) { odd2 ++ ; } else { even2 ++ ; } } int pairs = Math . min ( odd1 , even2 ) + Math . min ( odd2 , even1 ) ; return pairs ; }
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