#include <iostream>

using namespace std;

int main(){
	
	int a[10];
	int i=0;
	while(cin >> a[i]){
		i++;
		if(i==10){
			int ji=0;
			for(int j=0;j<10;j++){
				if(a[j]%2==1){
				ji++;
				}
			}
			cout << ji << endl;
			ji=0;
			i=0;
			fill_n(a,10,0);
		}
	}
	return 0;
}

#include <stdio.h>
int main(){
	int n;
	while (scanf ("%d",&n)!=EOF){
		int sum=0;
		if (n%2!=0){
			sum++;
		}
		for (int i=1;i<=9;i++){
			int a;
			scanf ("%d",&a);
			if (a%2!=0){
				sum++;
			}
		}
		printf ("%d\n",sum);
	}
	return 0;
}

#include
int a[15];
int main()
{
	while(scanf("%d %d %d %d %d %d %d %d %d %d",&a[0],&a[1],&a[2],&a[3],&a[4],&a[5],&a[6],&a[7],&a[8],&a[9])!=EOF){
		int num=0;
		for(int i=0;i<10;i++){
			if(a[i]%2!=0){
				num++;
			}
		}
		printf("%d\n",num);
	}
	return 0;
}

#include<bits/stdc++.h>
using namespace std;

int main()
{
	int a[10];
	int sum;
	while(cin>>a[0]>>a[1]>>a[2]>>a[3]>>a[4]>>a[5]>>a[6]>>a[7]>>a[8]>>a[9])
	{
		sum = 0;
		for(int i=0;i<10;i++)
		{
			if(a[i]%2!=0)
			{
				sum++;
			}
		}
		cout<<sum<<endl;
	}
}

#include<stdio.h>
int main(){
	int num[100];
	int m;
	int n=0;
	while(scanf("%d",&m)!=EOF){
		num[n]=m;
		n++;
	}
	int count=0;
	for(int i=0;i<10;i++){
		if(num[i]%2!=0){
			count++;
		}
	}
	printf("%d",count);
	return 0;
}