Submission #57513956

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# include <bits/stdc++.h>
# define endl "\n"
# define ll long long
using namespace std;
const int MOD = 1e9 + 7;
const int N = 1e5;
void solve() {
    int l,r; cin >> l >> r;
    if(l+r==2) cout << "Invalid" << endl;
    else if(l) cout << "Yes" << endl;
    else if(r) cout << "No" << endl;
    else cout << "Invalid" << endl;
}
int main() {
    int __ = 1;
    // cin >> __;
 
 
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# include <bits/stdc++.h>
# define endl "\n"
# define ll long long

using namespace std;

const int MOD = 1e9 + 7;
const int N = 1e5;


void solve() {
    int l,r; cin >> l >> r;
    if(l+r==2) cout << "Invalid" << endl;
    else if(l) cout << "Yes" << endl;
    else if(r) cout << "No" << endl;
    else cout << "Invalid" << endl;
}

int main() {
    int __ = 1;
    // cin >> __;
    while (__--){ 
        solve();
    }
    return 0;
}

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