761A - Dasha and Stairs - CodeForces Solution

brute force constructive algorithms implementation math *1000

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Python Code: 

a, b = [int(i) for i in input().split()]

if a == 0 and b == 0:
    print('NO')
else:
    if abs(a-b) == 0 or abs(a-b) == 1:
        print('YES')
    else:
        print('NO')

C++ Code: 

#include <bits/stdc++.h>
using namespace std;

int main() {
    int a, b;
    cin >> a >> b;
    if(abs(a - b) > 1 || (a == 0 && b == 0)) {
        cout << "NO\n";
    }
    else {
        cout << "YES\n";
    }
}/*1687667841.014395*/


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