#include<stdio.h> #include<string> #include<map> using namespace std; int main(){ string num1; string num2; map<char,int> keyMap = {{'0',0},{'1',1}, {'2',2},{'3',3}, {'4',4},{'5',5}, {'6',6},{'7',7}, {'8',8},{'9',9}}; char tmp1[100]={0}; char tmp2[100]={0}; scanf("%s %s&...