#include<iostream>
int main(){
    int a, b, c;
    cin >> a >> b >> c;
    cout << a + b + c << endl;
}

MXMXMXMMXMXMXMX MMXMXMXMMXMXMM

$O(n^2)$ $O(n \log n)$

$\sum_{i = 1}^{n}$ $\dfrac{1}{2}$

$\div \times \dots$