#include <iostream>

using namespace std;

int main() {
	int k = -1;
	char str[10];
	for (int i = 0; i < 10; i++)
		cin >> str[i];
	char c;
	cin >> c;
	__asm {
		pusha
		mov edx, 0
		mov ecx, 10
		mov bl, c
		search:
			cmp str[edx], bl
			jz metka
			inc edx
		loop search
		jmp e
		metka:
			mov k, edx
		e:
			nop
		popa
	}
	if (k == -1) cout << "Символ в строке не найден" << endl;
	else cout << k << endl;
	system("pause");
	return 0;
}