#include<iostream> #include<string> using namespace std; int main(){ string str1; string str2; cin >> str1; //cout << str1 << endl; cin >> str2; int cotA_str1 = 0; int cotA_str2 = 0; int diff = 0; for (int i = 0; i < str1.length(); i++){ if (str1[i]...