I need help for this and I'm even number student.Thanks for the answer.

Group 1 Group 2 D16 D15 D14 D13 D12 D11 DIO D9 D8 D7 D6 D5 D4 D3 D2 DI S1 S2 S3S4 S5 S6 S7 Fig. 1 Definitions of functions of the push button If you press the button, it means the battery is charged to the given quantity. For even- numbered students, please use group 1. For odd-numbered students, please use group 2. When push button Si is pressed, the LEDs are "ON" from position 1 to position i Then, the battery becomes low gradually. The number of "ON" LEDs will be graduall;y decreased. In group 1, the index of the LED starts from the left. In group 2, the inde:x of the LED starts from the right. For example, if an even-numbered student pushes S5, D12-D16 are turned on initially and then the rightmost ON" LEDs is turned off one by one. When all the LEDs are off, the player can press the button again. You can set Group 1 Group 2 D16 D15 D14 D13 D12 D11 DIO D9 D8 D7 D6 D5 D4 D3 D2 DI S1 S2 S3S4 S5 S6 S7 Fig. 1 Definitions of functions of the push button If you press the button, it means the battery is charged to the given quantity. For even- numbered students, please use group 1. For odd-numbered students, please use group 2. When push button Si is pressed, the LEDs are "ON" from position 1 to position i Then, the battery becomes low gradually. The number of "ON" LEDs will be graduall;y decreased. In group 1, the index of the LED starts from the left. In group 2, the inde:x of the LED starts from the right. For example, if an even-numbered student pushes S5, D12-D16 are turned on initially and then the rightmost ON" LEDs is turned off one by one. When all the LEDs are off, the player can press the button again. You can set