#include <iostream>

using namespace std;

class Count {
public:
    int k = 0;
    int r = 0;
    void oper1(int a, char ch, int b);
    void oper2(char s, int b);
    int print();
};

void Count::oper1(int a, char s, int b) {
    switch (s) {
        case '+':
            r = a + b;
            break;
        case '-':
            r = a - b;
            break;
        case '*':
            r = a * b;
            break;
        case '%':
            r = a % b;
            break;
    }
    k++;
}

void Count::oper2(char s, int b) {
    switch (s) {
        case '+':
            r = r + b;
            break;
        case '-':
            r = r - b;
            break;
        case '*':
            r = r * b;
            break;
        case '%':
            r = r % b;
            break;
    }
    k++;

}

int Count::print() {
    return r;
}

int main() {
    int a, b;
    char s;
    Count count = Count();
    cin >> a >> s >> b;
    count.oper1(a, s, b);
    cin >> s;
    while(s != 'C') {
        cin >> b;
        count.oper2(s, b);
        if(count.k % 3 == 0)
            cout << count.print() << endl;
        cin >> s;
    }
    return 0;
}