#include <bits/stdc++.h>
using namespace std;

int main(void)
{
    string S;
    bool flag = true;
    cin >> S;

    for(int i = 1; i <= S.length(); i++) {
        if(i % 2 == 1) {
            if('A' <= S[i - 1] && S[i - 1] <= 'Z') {
                cout << "No" << endl;
                flag = false;
                break;
            }
        }
        else {
            if('a' <= S[i - 1] && S[i - 1] <= 'z') {
                cout << "No" << endl;
                flag = false;
                break;
            }
        }
    }
    if(flag == true) {
        cout << "Yes" << endl;
    }
}

#include <iostream>

int main()
{
    int N;
    std::cin >> N;
    int r = N%100;
    if (r) std::cout << N/100 + 1 << std::endl;
    else std::cout << N/100 << std::endl;
    return 0;
}