Help

I getting error..

stock GetJobFromFaction(faction)
{
switch(faction)
{
case 1: return 1;
case 1: return 85;
case 82: return 82;
case 82: return 1;
case 2: return 2;
case 2: return 45;
case 45: return 45;
case 45: return 2;
}
return 0;
}

//Having these errors.. But i need this

: error 040: duplicate "case" label (value 1)
: error 040: duplicate "case" label (value 82)
: error 040: duplicate "case" label (value 2)
: error 040: duplicate "case" label (value 45)