#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<max(a,b);
return 0;
}
Var a,b:integer;
Begin
Write('Nhap a = ');readln(a);
Write('Nhap b = ');readln(b);
If a > b then write('so lon nhat la ',a)
Else if b > a then write('so lon nhat la ',b)
Else write('khong co so lon nhat');
Readln;
End.