#include <iostream>
using namespace std;

class Arith{
public:
    int a1, a2, count;
    int make(int a1){
        cin >> a2;
        switch(sym){
            case '+': a1 += a2; break;
            case '-': a1 -= a2; break;
            case '*': a1 *= a2; break;
            case '%': a1 %= a2; break;
        }
        count++;
        return a1;
    }
};

int main()
{
    int a1;
    char sym;
    Arith arith;
    cin >> a1 >> sym;
    while(sym != 'C'){
        arith.make(a1, sym);
        if(arith.count % 3 == 0)
            cout << arith.a1 << endl;
    }
    return 0;
}