求用英语翻译两个句子，谢谢！

1. Please enter the student's No./Numbers of the students.
2. Please enter the Quantity of the students.

please input student ID number

pls. input the quantity number of students.

1、please key in student's index number/ register number
2、please key in the amount of students

Please input the students' number.
Please input the amount of the students.

1. Please enter the serial number of students.
2. Please enter the number of students.

1.Please input the students ID numbers.
2.Please input the amount of the students.