public static void main ( String [ ] args ) {
  Scanner input = new Scanner ( System . in ) ;
  int n = input . nextInt ( ) ;
  int s [ ] = new int [ n + 1 ] ;
  int p = input . nextInt ( ) ;
  int f = 0 ;
  int c ;
  for ( int i = 1 ;
  i <= p ;
  i ++ ) {
    c = input . nextInt ( ) ;
    s [ c ] ++ ;
  }
  int y = input . nextInt ( ) ;
  for ( int i = 1 ;
  i <= y ;
  i ++ ) {
    c = input . nextInt ( ) ;
    s [ c ] ++ ;
  }
  for ( int i = 1 ;
  i < s . length ;
  i ++ ) if ( s [ i ] == 0 ) f = 1 ;
  if ( f == 0 ) System . out . println ( "I become the guy." ) ;
  else System . out . println ( "Oh, my keyboard!" ) ;
}

public static void main ( String [ ] args ) { Scanner input = new Scanner ( System . in ) ; int n = input . nextInt ( ) ; int s [ ] = new int [ n + 1 ] ; int p = input . nextInt ( ) ; int f = 0 ; int c ; for ( int i = 1 ; i <= p ; i ++ ) { c = input . nextInt ( ) ; s [ c ] ++ ; } int y = input . nextInt ( ) ; for ( int i = 1 ; i <= y ; i ++ ) { c = input . nextInt ( ) ; s [ c ] ++ ; } for ( int i = 1 ; i < s . length ; i ++ ) if ( s [ i ] == 0 ) f = 1 ; if ( f == 0 ) System . out . println ( " I ▁ become ▁ the ▁ guy . " ) ; else System . out . println ( " Oh , ▁ my ▁ keyboard ! " ) ; }
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