B0041.cpp

// Problem Code: CHEFSTLT

#include <iostream>
#include <string>

using namespace std;

void chefAndTwoStrings(string S1, string S2) {
	int min, max;
	min = max = 0;
	for(int i=0 ; i<S1.length() ; i++) {
		if(S1[i] == '?' || S2[i] == '?')
			max++;
		else if(S1[i] != S2[i]) {
			min++;
			max++;
		}
	}
	cout << min << " " << max << endl;
}

int main() {
	int T;
	string S1, S2;
	cin >> T;
	while(T--) {
		cin >> S1 >> S2;
		chefAndTwoStrings(S1, S2);
	}
	return 0;
}