CPP_MathematicalOperation

#include <stdio.h>

int main (){
    int a, b, c, x; //a = firstNum, b = secondNum, c = total, x = holds the switch value.
    printf("Mathematical Operators\n");
    printf("1 for Addition\n");
    printf("2 for Subtraction\n");
    printf("3 for Multiplication\n");
    printf("4 for Division\n");
    printf("Select operator: ");
        while (scanf("%d", &x) == 1){
            switch (x){
            case 1:
                printf("Enter First Number: ");
                scanf("%d", &a);
                printf("Enter Second Number: ");
                scanf("%d", &b);
                c = a + b;
                printf("\nThe sum of %d and %d is %d", a, b, c);
                break;
            case 2:
                printf("Enter First Number: ");
                scanf("%d", &a);
                printf("Enter Second Number: ");
                scanf("%d", &b);
                c = a - b;
                printf("\nThe difference of %d and %d is %d", a, b, c);
                break;
            case 3:
                printf("Enter First Number: ");
                scanf("%d", &a);
                printf("Enter Second Number: ");
                scanf("%d", &b);
                c = a * b;
                printf("\nThe product of %d and %d is %d", a, b, c);
                break;
            case 4:
                printf("Enter First Number: ");
                scanf("%d", &a);
                printf("Enter Second Number: ");
                scanf("%d", &b);
                c = a / b;
                printf("\nThe quotient of %d and %d is %d", a, b, c);
                break;
            default:
                printf("Invalid argument.");
                break;
                    }
                break;
                }
            return 0;
            }