#include <iostream>
#include<stdio.h>
using namespace std;
int main() {
int a[40],i,count=0;
for(i=0;1;i++)
{
scanf("%d,",&a[i]);
count++;
if(a[i]==0)
break;
}
cout<<count;
// your code goes here
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZTxzdGRpby5oPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CglpbnQgYVs0MF0saSxjb3VudD0wOwoJZm9yKGk9MDsxO2krKykKCXsKCQlzY2FuZigiJWQsIiwmYVtpXSk7CgkJY291bnQrKzsKCQlpZihhW2ldPT0wKQoJCWJyZWFrOwoJfQoJY291dDw8Y291bnQ7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglyZXR1cm4gMDsKfQ==
MSwyLDMsNCw1LDYsNyw4LDksMTAsMTEsMTI=
1,2,3,4,5,6,7,8,9,10,11,12