#include<iostream>

using namespace std;

template<typename t>

void findmax(t a, t b, t c);

int main()

{

int type;

cin >> type;

t a, b, c;

cin >> a >> b >> c;

switch (type)

{

case 1:

findmax<int>(a, b, c);

break;

case 2:

findmax<float>(a, b, c);

break;

case 3:

findmax<double>(a, b, c);

break;

}

return 0;

}

void findmax(t a, t b, t c)

{

t max;

max = a;

if (max < b)

{

max = b;

}

if (max < c)

{

max = c;

}

cout << max;

}