c#include <bits/stdc++.h> using namespace std; int main() { cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int sum = 0; while(true){ int input; cin >> input; if(input < 0){ break; } sum += input; } cout << sum << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); int sum = 0; while(true){ int input; cin >> input; if(input < 0){ break; } sum += input; } cout << sum << "\n"; return 0; }