#include <stdio.h>
void main(){
	int num1, num2;
	char oper;
	printf("Enter Targil\n");
	scanf("%d%c%d",&num1, &oper, &num2);
	switch(oper){
	case '+':
		printf("%d\n", num1+num2);
		break;
	case '-':
		printf("%d\n", num1-num2);
		break;
	case '*': case 'x': case 'X':
		printf("%d\n", num1*num2);
		break;
	case '/': case ':': case '\\':
		if (!num2){
			printf("Error - Hasar Mashmaut\n");
			break;
		}
		printf("%f\n",(float) num1/num2);
		break;
	default:
		printf("Error, Wrong Targil\n");
	}
}