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Find Pair With Given Difference

1. Given an array arr of size n, you need to write a program to find if there exists a pair of elements in the array whose difference is equals to target. 2. If there exists such a pair print it, otherwise print -1.

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Find Pair With Given Difference

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1. Given an array arr of size n, you need to write a program to find if there exists a pair of elements in the array whose difference is equals to target. 2. If there exists such a pair print it, otherwise print -1.

Constraints

1 <= target <= 10^4 1 <= arr[i], n <= 10^5

Format

Input

Input is managed for you

Output

Output is managed for you

Example

Sample Input

6 5 2 3 80 5 20 78

Sample Output

2 80

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