#include <stdio.h>

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

int main()
{
    int a, b;
    printf("Enter two numbers: \n");
    scanf("%d\n %d", &a, &b);
    printf("subtraction is: %d", sub(a, b));
    return 0;
}

//.......Coded by JAIDEEP JAMBLE