#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;
      if(op == '+')
            printf("%d\n", a + b);
      if(op == '-')
            printf("%d\n", a - b);
      if(op == '*')
            printf("%d\n", a * b);
      if(op == '/')
            printf("%d\n", a / b);
      if(op == '%')
            printf("%d\n", a % b);
    }
    return 0;
}