int main(void)
{
    int a,b,c;
    while(1)
    {
        if(getc() != 'y') return 0;
        scanf("%d %d %d\n",a, b, c);
        switch(b)
        {
            case '+':
                printf("%d\n", a + c);
                break;

            case '-':
                printf("%d\n", a - c);
                break;
            case '*':
                printf("%d\n", a * c);
                break;
            case '/':
                printf("%d\n", a / c);
                break;
        }
        puts("Ещё?");
    }

    return 0;
}