/in/foo.c: In function 'main':
/in/foo.c:6:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long long int *' [-Wformat=]
     scanf("%d",&x1);
             ^
/in/foo.c:7:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long long int *' [-Wformat=]
     scanf("%d",&x2);
             ^
/in/foo.c:9:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d\n",x1+x2);
              ^
/in/foo.c:10:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d\n",x1*x2);
              ^
/in/foo.c:11:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d\n",x1%x2);
              ^