//102
#include <iostream>
using namespace std;
int main()
{
int n;
cin>>n;
cout<<n%10+n/10%10;
return 0;
}
//103
#include <iostream>
using namespace std;
int main()
{
unsigned int a,b;
cin>>a>>b;
cout<<a*b<<" "<<2*a+2*b;
return 0;
}
//2263
#include <iostream>
using namespace std;
int main()
{
unsigned int t1,t2,n,m,z;
cin>>t1>>t2>>n>>m>>z;
cout<<z*(t1*n+t2*m);
return 0;
}
Ma mai gandesc si la celelalte...