Substraction Program in C

Adding 2 integers:
Example
If a=1 and b=2
then the result will be 3 ie.(1+2)

    #include<stdio.h>
    int main()
    {
    int a, b, c;
    printf("Enter the 2 numbers to sub\n");
    scanf("%d%d",&a,&b);
    c = a - b;
    printf("Sub of 2 numbers = %d\n",c);
    return 0;
    }