Submission #4024299

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Source Code Expand

#include <iostream>
#include <string>
#include <algorithm> 
#include <cstdlib>
#include <map>
#include <queue>
#include <vector>
#include <utility>
#include <climits>
#include <numeric>
#define ll long long
#define INF INT_MAX 
using namespace std;
int main(){
	int a,b;
	cin >> a >> b;
	if(a+b>=10){
		cout << "error" << endl;
	}else{
		cout << a+b << endl;
	}
}

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