#include <bits/stdc++.h>
using namespace std;
int main(){
	string s;
	int mx=0,z=1,nx=0,a,na;
	bool fy=0;
	getline(cin,s);
	for(int i=0;i<s.size();i++){
		if(s[i]<'0'||s[i]>'9'){
			if(nx>mx)a=na+1,mx=nx,nx=0,z=1,fy=0;
		}else{
			if(fy)nx=nx*10+s[i]-'0';
			else nx=s[i]-'0',fy=1,na=i;
		}
	}
	cout<<a;
	return 0;
}

/**************************************************************
	Problem: 1113
	User: zhouhongyi
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/