#include<bits/stdc++.h>
using namespace std;
int a[1000]={0};
int main()
{
    string s;
    getline(cin,s);
    int m,n;
    long long sum=0,ans=0;
    for(int i=0;i<s.length();i++)
    {
        if(s[i]>='0'&&s[i]<='9')
        {
        	if((s[i-1]<='0'||s[i-1]>'9')&&s[i]!='0')
        	{
        		n=i;
			}
            m=s[i]-'0';
            sum=sum*10+m;
            a[n]=sum;
        }
        if(s[i]<'0'||s[i]>'9')
        {
            sum=0;
        }
        ans=max(ans,sum);
    }
    for(int i=0;i<=999;i++)
    {
    	if(a[i]==ans)
    	{
    		cout<<i+1;
    		break;
		}
	}
	return 0;
}