#include <bits/stdc++.h>
using namespace std;
#define ll long long
ll rev (ll n)
{
    ll s = 0;
    while (n)
    {
        s = s * 10 + (n % 10);
        n /= 10;
    }
    return s;
}
ll tcs (ll n)
{
    ll s = 0;
    while (n)
    {
        s += n % 10;
        n /= 10;
    }
    return s;
}
ll dcs (ll n)
{
    ll d = 0;
    while (n)
    {
        d++;
        n /= 10;
    }
    return d;
}
ll n, a, b;
int main()
{
    cin >> n;
    cout << dcs(n) << '\n';
    cout << tcs(n) << '\n';
    cout << rev(n) << '\n';
    cin >> a >> b;
    cout << rev(rev(a) + rev(b));
}

#danglam228

#include <bits/stdc++.h>
using namespace std;
int a, b;
int main() {
        ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    //freopen(".INP", "r", stdin);
    //freopen(".OUT", "w", stdout);
    cin >> a >> b;
    int d1 = 0;
    int d2 = a;
    while (d2 > 0) {
        d2 /= 10;
        d1++;
    }
    int d3 = 0;
    d2 = a;
    while (d2 > 0) {
        d3 += d2 % 10;
        d2 /= 10;
    }
    int d4 = 0;
    d2 = a;
    while (d2 > 0) {
        d4 = d4 * 10 + (d2 % 10);
        d2 /= 10;
    }
    int d5 = 0;
    int d6 = b;
    while (d6 > 0) {
        d5 = d5 * 10 + (d6 % 10);
        d6 /= 10;
    }
    int d7 = d4 + d5;
    cout << d1 << endl;
    cout << d3 <<endl;
    cout << d4 <<endl;
    cout << d7 <<endl;

    return 0;
}