Why this program showing exception?????

Question

https://code.sololearn.com/ca7RP5mLp2R3/?ref=app

Answer 1

Please put all the codes in Code Playground so we can see the errors and help you to fix it.

Answer 2

you have the input for c defined twice so the program expects 4 inputs instead of 3

Answer 3

this is my program dude

Answer 4

means this program make by me also

Answer 5

nd same problem getting here

Answer 6

Christopher i edit now u can see!!

Answer 7

hinanawi thnxzzzz