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#include <iostream>
#include <ctime>
#include <cmath>
using namespace std;
int main() {
int a,i,n,sum=0;
cin>>a;
for(i=0;i<3;i++)
{
n = a%10;
sum = sum+n;
a=(a-n)/10;
}
cout<<sum;
return 0;
}
Cpp
INFO