include iostream include string include vector using namespace std int

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  • 19 Apr 2019 
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#include <iostream>

#include <string>

#include <vector>



using namespace std;



int main() {

 string a;

 vector<int> b; 

 int l;

 int x;

 cin >> a;



x=a.find("0");

if(x>=0)

b.push_back(0);

x=a.find("1");

if(x>=0)

b.push_back(1);

x=a.find("2");

if(x>=0)

b.push_back(2);

x=a.find("3");

if(x>=0)

b.push_back(3);

x=a.find("4");

if(x>=0)

b.push_back(4);

x=a.find("5");

if(x>=0)

b.push_back(5);

x=a.find("6");

if(x>=0)

b.push_back(6);

x=a.find("7");

if(x>=0)

b.push_back(7);

x=a.find("8");

if(x>=0)

b.push_back(8);

x=a.find("9");

if(x>=0)

b.push_back(9);



for( int i=0;i<b.size();i++){

 cout << b[i];

}



if(b.size()==0){

	cout << "NO";

}

}
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