#include <iostream>
int l,r;
int main() {
std::cin>>l>>r;
std::cout<<(l==r ? l:2);
return 0;
}
Codeforces Round #411 (Div. 2), problem: (A) Fake NP Solution In C/C++
, problem: (A) Fake NP Solution In C/C++){kind=link}
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#include <iostream>
int l,r;
int main() {
std::cin>>l>>r;
std::cout<<(l==r ? l:2);
return 0;
}