// c++ Program Check if a pair exists with given sum in given array

#include <bits/stdc++.h>

using namespace std;

// Function to find and print pair

bool chkPair(int A[], int size, int x)

{

for (int i = 0; i < (size - 1); i++) {

for (int j = (i + 1); j < size; j++) {

if (A[i] + A[j] == x) {

return 1;

}

}

}

return 0;

}

// Driver code

int main()

{

int A[] = { 0, -1, 2, -3, 1 };

int x = -2;

int size = sizeof(A) / sizeof(A[0]);

if (chkPair(A, size, x)) {

cout << "Yes" << endl;

}

else {

cout << "No" << x << endl;

}

return 0;

}

// This code is contributed by Mayur Shrivastava