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c_cpp
a year ago
203 B
2
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#include <iostream>
#include <string>
using namespace std;

int main()
{
	int a,b=0;
	int i = 0;
	cin >> a;
	while (a > 0)
	{
		i++;
		b = b + (a % 10);
		a /= 10;
	}
	cout << b << " ";
}