static int maxItems ( int x , int y , int z ) {
  int type1 = x / COST ;
  x %= COST ;
  int type2 = y / COST ;
  y %= COST ;
  int type3 = z / COST ;
  z %= COST ;
  int type4 = Math . min ( x , Math . min ( y , z ) ) ;
  int maxItems = type1 + type2 + type3 + type4 ;
  return maxItems ;
}

static int maxItems ( int x , int y , int z ) { int type1 = x / COST ; x %= COST ; int type2 = y / COST ; y %= COST ; int type3 = z / COST ; z %= COST ; int type4 = Math . min ( x , Math . min ( y , z ) ) ; int maxItems = type1 + type2 + type3 + type4 ; return maxItems ; }
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