#678 - Напёрстки [?]

#include <iostream>
#include <string>
#include <cstdio>

using namespace std;

int main()
{
    char process[50];
    int i, newVar, exactNumber;
    char 'A','B','C';
    int a[3];
    a[0] = 1;
    a[1] = 0;
    a[2] = 0;
    cin>>process[i];
    for (int changes=0; changes<i; changes++) {
      switch (process[i]) {
        case 'A':
            newVar = a[0];
            a[0] = a[1];
            a[1] = newVar;
        case 'B':
            newVar = a[2];
            a[2] = a[1];
            a[1] = newVar;
        case 'C':
            newVar = a[0];
            a[0] = a[2];
            a[2] = newVar;
        default:
            break;
        }
    }
    for (int w=0;w<3;w++) {
        if (a[w] == 1) {
            w = exactNumber;
        }
    }

    cout << exactNumber << endl;
    return 0;
}