//#include #include #include #include #include #include #define _CRT_SECURE_NO_WARNINGS using namespace std; int main() { string num1; string large_str; string small_str; string num2; long long numnum1; long long largesum; long long smallsum; long long numnum2; cin >> num1; large_str = num1; small_str = num1; for (int i = 0; i < num1.size(); i++) { if (num1[i] == 6+'0') { small_str[i] = 5 + '0';..