#include <iostream>

using namespace std;

  
int main()
{
	int again=1;
	char buff[512];
	char b;

	for(;;)
	{
		cin.getline(buff,512);
		cout<<strlen(buff)<<endl;
		cin>>again;
		scanf("%c",&b);
		if(again!=1)
			break;
	}

	return 0;
}