#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) {
    int a, b;
    char op;
    while(1){ 
      scanf("%d %c %d",&a,&op,&b);
      if(a == 0 || b == 0)
	break;
      switch(op)
        {
        case'+':
            printf("%d\n",a+b);
            break;
        case'-':
            printf("%d\n",a-b);
            break;
        case'*':
            printf("%d\n",a*b);
            break;
        case'/':
            printf("%d\n",a/b);
            break;
        case'%':
            printf("%d\n",a%b);
            break;
        }
    }
    return 0;
}