#include<stdio.h>
int main(void)
{
    int a,b,c;
    char o;
    scanf("%d",&a);
    scanf("%c",&o);
    scanf("%d",&b);
    switch(o)
    {
        case '+':
        c=a+b;
        printf("The sum is %d\n",c);
        break;
        case'-':
        c=a-b;
        printf("The difference is %d",c);
        break;
        case '*':
        c=a*b;
        printf("The product is %d",c);
        break;
         case '/':
        c=a/b;
        printf("The quotient is %d",c);
        break;
        default:
        printf("Invalid input\n");
        break;
    }

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