#include <iostream>
#include <string>

using namespace std;

int main() {
    uint64_t ans = 0, x = 0;
    std::string s;
    getline(std::cin, s);
    for (uint8_t byte : s) {
        ans += (static_cast<uint64_t>(byte - (byte & (1 << 7)))) << x;
        x += 7;
        if (byte & (1 << 7) == 0)
            break;
    }
    cout << ans;
}





#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main() {
    int ans = 0, x = 0;
    std::string s;
    getline(std::cin, s);
    for (uint8_t byte : s) {
        if (x != 0) {
            x--;
        } else {
            ans++;
            for (int i = 7; i >= 0; --i) {
                if ((byte & (1 << i)) != 0) {
                    x++;
                } else {
                    break;
                }
            }
            x = max(0, x - 1);
        }
    }
    cout << ans;
}





#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main() {
    int ans = 0, x = 7, notFirst = 0;
    std::string s;
    getline(std::cin, s);
    for (uint8_t byte : s) {
        while (byte & (1 << x))
            x--;
        if (x != 6) {
            if (notFirst)
                cout << ans << ' ';
            ans = 0;
        }
        while (x > 0) {
            x--;
            ans <<= 1;
            if (byte & (1 << x))
                ans++;
        }
        x = 7;
        notFirst = 1;
    }
    cout << ans;
}





#include <iostream>

using namespace std;

int main() {
    int code;
    while (cin >> code) {
        if (code < (1 << 7)) {
            cout.write(reinterpret_cast<char*>(&code), sizeof(uint8_t));
        } else if (code < (1 << 11)) {
            char x = (1 << 7) + (1 << 6);
            for (int i = 4; i >= 0; --i) {
                if (code & (1 << (6 + i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(char));
            x = (1 << 7);
            for (int i = 5; i >= 0; --i) {
                if (code & (1 << (i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(char));
        } else if (code < (1 << 16)) {
            char x = (1 << 7) + (1 << 6) + (1 << 5);
            for (int i = 3; i >= 0; --i) {
                if (code & (1 << (12 + i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(uint8_t));
            x = (1 << 7);
            for (int i = 5; i >= 0; --i) {
                if (code & (1 << (6 + i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(uint8_t));
            x = (1 << 7);
            for (int i = 5; i >= 0; --i) {
                if (code & (1 << (i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(uint8_t));
        } else if (code < (1 << 21)) {
            char x = (1 << 7) + (1 << 6) + (1 << 5) + (1 << 4);
            for (int i = 2; i >= 0; --i) {
                if (code & (1 << (18 + i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(uint8_t));
            x = (1 << 7);
            for (int i = 5; i >= 0; --i) {
                if (code & (1 << (12 + i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(uint8_t));
            x = (1 << 7);
            for (int i = 5; i >= 0; --i) {
                if (code & (1 << (6 + i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(uint8_t));
            x = (1 << 7);
            for (int i = 5; i >= 0; --i) {
                if (code & (1 << (i)))
                    x += (1 << i);
            }
            cout.write(&x, sizeof(uint8_t));
        }
    }
}