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  1. #include <iostream>
  2. using namespace std;
  3. int main(void){
  4. long double A,B,C;
  5. cin >> A >> B >> C;
  6. cout << A+B+C << endl;
  7. return 0;
  8. }
Success #stdin #stdout 0.01s 5308KB
stdin
99999999999 99999999999 99999999999
stdout
3e+11