Input (grade 13): Ricardo Alberto Silveira de Carvalho OIH (; born 18 May 1978 in Amarante, Portugal), is a Portuguese footballer who plays as a center back for Spanish La Liga club Real Madrid, and for the Portuguese national team.
Output (grade 7): Ricardo Carvalho (born 18 May 1978) is a Portuguese football player. He plays for Real Madrid and Portugal national team.