/in/foo.c: In function 'main':
/in/foo.c:8:12: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long int *' [-Wformat=]
    scanf("%d %d",&k1,&k2) ;
            ^
/in/foo.c:8:15: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long int *' [-Wformat=]
    scanf("%d %d",&k1,&k2) ;
               ^