#include <iostream>
using namespace std;
int main()
{
	int n;
	cin >> n;
	cout << n / 100 + n % 10;
    return 0;
}

过辣！（脑残人士的欢呼）

    string x;
    cin>>x;
    cout<<(x[2]-'0') + (x[0]-'0');

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n , a , b;
	cin >> n;
    a = n / 100;
    b = n % 10;
    n = a + b;
	cout << n;
    return 0;
}//已AC

A

#include <bits/stdc++.h>
using namespace std;
int x;
int main()
{
	cin >> x;
	cout << x / 100 + x % 10;
    return 0;
}

#include <iostream>//hetao3097453
using namespace std;
int main()
{
    int x;
    cin >> x;
    int a = x % 10;
    int b = x / 100;
    cout << a + b << endl;
    return 0;
}