Submission #2865211

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Source Code Expand

#include<iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <tuple>
#include <cmath>
#include <queue>
#include <vector>
#include <map>
using namespace std;

#define ll int64_t
const long MOD = 1e9 + 7;


int main()
{
 int a,b,c;
  cin >> a >> b;
  if ( a+b <10){
    cout <<a+b;
  }else{
	cout <<"error";
  }
}

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