#include <iostream>
using namespace std;
int main()
{
int m,n,k;
cout<<"enter m n k ";

cin >> m >> n >> k;


if ( m>0 && m<19 )
{
if ( k>1 && k<6 )
{
if ( n>0 && n<23 )
{
cout<<(m+k+n);

}
else
cout<<"enter n between 0 and 23"<<endl;
}
else
cout<<"enter k between 1 and 6"<<endl;

}
else
cout<<"enter m between 0 and 19"<<endl;
return 0;

}