SET age = 0;

PRINT "Enter your age.";
SET age = input;

IF age is 1
  PRINT "First birthday";
ELSE IF age is >= 12 AND age is <= 19
  PRINT "Teenager" ENDLINE;
ELSE IF age is < 12
  PRINT "Child" ENDLINE;
ELSE IF age is > 62
  PRINT "Senior" ENDLINE;
ELSE PRINT "Adult" ENDLINE;