Submission #1677134

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Source Code Expand

#include <iostream>
#include <string>
using namespace std;

int main() {
    string s;
    cin >> s;
    if (s[0] >= 'a' && s[0] <= 'z') {
        s[0] = s[0] - ('a' + 'A');
    }
    size_t l = s.length();
    for (size_t i = 1; i < l; i++) {
        if (s[i] >= 'A' && s[i] <= 'Z') {
            s[i] = s[i] + ('a' + 'A');
        }
    }

    cout << s <<endl;

    return 0;
}

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