/in/foo.c: In function 'main':
/in/foo.c:5:10: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'long long int *' [-Wformat=]
 scanf("%ld %ld",&a,&b);
        ~~^      ~~
        %lld
/in/foo.c:5:14: warning: format '%ld' expects argument of type 'long int *', but argument 3 has type 'long long int *' [-Wformat=]
 scanf("%ld %ld",&a,&b);
            ~~^     ~~
            %lld
/in/foo.c:6:11: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'long long int' [-Wformat=]
 printf("%ld",a*b+a+b);
         ~~^  ~~~~~~~
         %lld