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# First Index And Last Index

1. You are given a number n, representing the size of array a. 2. You are given n numbers, representing elements of array a. Asssumption - Array is sorted. Array may have duplicate values.

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# First Index And Last Index

easy

1. You are given a number n, representing the size of array a. 2. You are given n numbers, representing elements of array a. Asssumption - Array is sorted. Array may have duplicate values.

## Constraints

1 <= n <= 1000 1 <= n1, n2, .. n elements <= 100 1 <= d <= 100

## Format

### Input

A number n n1 n2 .. n number of elements A number d

### Output

A number representing first index A number representing last index

## Example

Sample Input

```.css-23h8hz{color:inherit;font-size:0.875rem;line-height:1.125rem;letter-spacing:0.016rem;font-weight:var(--chakra-fontWeights-normal);white-space:pre-wrap;}15 1 5 10 15 22 33 33 33 33 33 40 42 55 66 77 33```

### Sample Output

```.css-3oaykw{color:var(--chakra-colors-active-primary);font-size:0.875rem;line-height:1.125rem;letter-spacing:0.016rem;font-weight:var(--chakra-fontWeights-normal);white-space:pre-wrap;font-family:Monospace;}5 9```

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