简单到跺脚脚

#include<iostream>
using namespace std;
int main()
{
int a,b;
stdcin>>a>>b;
if(a>0 && b<1000000){
int sum=a+b;
stdcout<<sum<<stdendl;
}else{
stdcout<<"输入错误"<<std::endl;
}
return 0;
}