#include <stdio.h>

int main()

{

int num1, num2, result;

char operand;

printf ("\nEnter first number\n");
scanf ("%d", &num1);

printf ("\nEnter second number\n");
scanf ("%d", &num2);

printf ("\nWhat mathematical operation would you like to perform?\n");

printf ("\nEnter + to add");
printf ("\nEnter - to substract");
printf ("\nEnter * to multiply");

scanf("%c", &operand);

switch (operand)
{
case '+': result = num1 + num2;
printf ("your addition yields =", result);
break;

case '-': result = num1 - num2;
printf ("your substraction yields =", result);
break;

case '*': result = num1 * num2;
printf ("your multiplication yields =", result);
break;
}

return 0;
}