Messi is a soccer player with goals in three leagues:
- LaLiga
- Copa del Rey
- Champions
Complete the function to return his total number of goals in all three leagues.
Note: the input will always be valid.
For example:
5, 10, 2 --> 17
def goals (laLigaGoals, copaDelReyGoals, championsLeagueGoals)
laLigaGoals + copaDelReyGoals + championsLeagueGoals
end