Codeforces A. Team With C#
using System;
using System.Xml;
class WayTooLongWords{
public static void Main(string[] args){
int n = int.Parse(Console.ReadLine());
int implementProblems = 0;
for (int i = 0; i < n; i++)
{
string[] inputs = Console.ReadLine().Split(' ');
int petya = int.Parse(inputs[0]);
int vasya = int.Parse(inputs[1]);
int tonya = int.Parse(inputs[2]);
int sureCount = petya + vasya + tonya;
if (sureCount >= 2)
{
implementProblems++;
}
}
Console.WriteLine(implementProblems);
}
}
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