INPUT Statement

The INPUT Statement is used to prepare the program for input from the keyboard during program execution.
Syntax
LN INPUT [Prompt string ;] List of Variables
Where,
LN      :       Line Number
Prompt String  :    Message displayed for data to be supplied during program execution.
List of Variable  : Contains the variable {s} that store data

• The prompt string must be surrounded by double question marks, followed by a semicolon or comma and name of variables to which it will be assigned.
•  If more than one variable is used, they must be separated by commas. Similarly, values entered for different variables should be separated by commas. 
• The data entered is assigned to variable list. The number of data items supplied must be the same as the number of variables in the list.
• The variable names in the list may be numeric, integer, string or sub scripted variable.
• If it is necessary that the data supplied must be of the same type as the variable in the input statement.
• Comma may be used , instead of semicolon, after prompt string to suppress the question mark.
• When INPUT statement is encountered during program execution, the program halts (stops) and prints a question mark{?} {or the prompt string is displayed }, then you can enter data and if you press Enter, program execution continues.
• Quotation marks are optioned in string type of data.

Examples 
The following are some of valid INPUT statements
1. 10  INPUT A
2. 20  INPUT A,B,C
3. 30 INPUT A$, A2$, B1, B2, C1%, C2%
4. 40 INPUT A, B$, D(5)

CS 5.7 Display on the screen for INPUT statement

Ok

LIST 

10    REM Learning the use of INPUT statement

20    REM Value of two numbers X and Y

30    INPUT X

40    INPUT Y

50    REM Addition of two numbers X and Y

60    LET A = X+Y

70    PRINT " VALUE OF X = "; X

80    PRINT " VALUE OF Y="  ; Y 

90    PRINT "ADDITION OF X AND Y = "; A

100  END

Ok

RUN

?   25

?   10

VALUE OF X = 25

VALUE OF Y = 10

ADDITION OF X AND Y = 35

Ok

CS 5.8 Display on the screen for INPUT statement

Ok

LIST 

10    REM Learning the use of INPUT statement

20    INPUT N$

30    INPUT C

40    INPUT A$

50    INPUT R

60    PRINT " MY NAME IS " ; N$

70    PRINT " I STUDY IN CLASS "; C

80    PRINT " MY SCHOOL'S NAME IS "; A$

90    PRINT " MY ROLL NO. IS "; R

100  END

Ok

RUN

?  SUMA SHAH

?  9

? EAST-POLE HIGH SCHOOL

? 26

MY NAME IS SUMA SHAH

I STUDY IN CLASS 9

MY SCHOOL'S NAME IS EAST POLE HIGH SCHOOL

MY ROLL NO IS 26