static boolean Solve ( long a , long b , long c , long d , long wa ) {
  long aka = a - wa ;
  long ao = b - wa ;
  long po = aka / ( c - 1 ) + ao / ( d - 1 ) ;
  return aka >= 0 && ao >= 0 && po >= wa ;
}

static boolean Solve ( long a , long b , long c , long d , long wa ) { long aka = a - wa ; long ao = b - wa ; long po = aka / ( c - 1 ) + ao / ( d - 1 ) ; return aka >= 0 && ao >= 0 && po >= wa ; }
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