Some task

#include <stdio.h>

long i,j,x,m,n,k,q;

int main() {

    m = 0;

    scanf("%li %li",&i,&j);

    if (i > j) {

    q =i ;
    i = j;
    j = q;

    }

    for (x = i;x < j+1;x++) {

    k = 0;
    n = x;

    while (n != 1) {

    k+=1;

    if (n % 2 == 0) {

        n = n/2;

    }
    else
    {

    n = 3*n+1;

    }

    }
    k+=1;
    if (k>m) {

    m = k;

    }

    }

     printf("%li %li %li\n",i,j,m);

    return 0;
}