Submission #53878293

Source Code Expand

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
    int a, b;
    cin >> a >> b;
    int c=6-a-b;
    cout << (a==b ? -1 : c);
}
 
 
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#include <bits/stdc++.h>
using namespace std;
#define ll long long


int main(){
    int a, b;
    cin >> a >> b;
    int c=6-a-b;
    cout << (a==b ? -1 : c);
}

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