#include <stdio.h>

int add(int a,int b);       


int subtract(int a,int b);       


int multiplication(int a,int b);       

int division(int a,int b);       

int main ()  {
int a;
int b;
char operator;
    printf("Enter two numbers:\n");
    scanf("%d %d",&a, &b);

	printf("Please, enter an operator: +,-,*,: \n");
    scanf(" %c", &operator);

switch(operator)
    {
        case '+':
            printf("%d + %d = %d",a,b,add(a,b));
            break;

        case '-':
            printf("%d - %d = %d",a,b,subtract(a,b));
            break;

        case '*':
            printf("%d * %d = %d",a,b,multiplication(a,b));
            break;

        case '/':
            printf("%d / %d = %d",a,b,division(a,b));
            break;

        default:
            printf("Operator is not correct");
    }




return 0;

}
int add(int a,int b)       
{
    
    return a+b;                  
}

int subtract(int a,int b)       
{
    
    return a-b;                  
}

int multiplication(int a,int b)       
{
    
    return a*b;                  
}

int division(int a,int b)       
{
    
    return a/b;                  
}