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

int main(){
	char *ca = "今日は";
	cout << strlen(ca) << endl;
	cout << hex << setw(2) << setfill('0');
	unsigned char *uca = (unsigned char *)ca;
	for(int i = 0; i < strlen(ca); i++){
		cout << (int)uca[i];
	}
	cout << endl;
}