#include <stdio.h>

int main()
{
    char calculation;
    printf("Please choose calculation: \n");
    printf("For exampple: + - * / \n");
    scanf("%c", &calculation);
    
    int a;
    int b;
    
    printf("Please enter integer a: \n");
    scanf("%d", &a);
    
    printf("Please enter integer b: \n");
    scanf("%d", &b);

    //Build:
    
    
    switch (calculation)
    {
        case '+':
        {
            // statements
            printf("calculation is sum: \n");
            printf("Result = %d\n", a + b);
            break;
        }
        case '-':
        {
            // statements
            printf("calculation is sub: \n");
            printf("Result = %d\n", a - b);
            break;
        }
        case '*':
        {
            // statements
            printf("calculation is multi: \n");
            printf("Result = %d\n", a * b);
            break;
        }
        case '/':
        {
            // statements
            printf("calculation is divi: \n");
            printf("Result = %d\n", a / b);
            break;
        }
        
    }
    return 0;
}