#include <bits/stdc++.h>
using namespace std;
int main() {
int a, b, c;
cin >> a >> b >> c;
if (a >= b && a >= b) {
cout << "So lon nhat la: " << a << endl;
} else if (b >= a && b >= c) {
cout << "So lon nhat la: " << b << endl;
} else {
cout << "So lon nhat la: " << c << endl;
}
return 0;
}
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