UVa 10921 - Find the Telephone

// UVa 10921 - Find the Telephone
#include <iostream>
#include <string>

using namespace std;

int main() {

	string st;
	while (cin >> st) {

		for (int i = 0; i < st.size(); i++)
			if (st[i] >= 'A' && st[i] <= 'Z') {
				int o = st[i] - 'A';
				int n;
				if (o < 15)
					n = o / 3 + 2;
				else {
					o = o - 15;
					if (o < 4)
						n = 7;
					else if (o < 7)
						n = 8;
					else if (o < 11)
						n = 9;
				}
				st[i] = '0' + n;
			}
		cout << st << endl;
	}
	return 0;
}