/in/foo.cc: In function 'int main()':
/in/foo.cc:15:32: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type '__int128*' [-Wformat=]
         scanf("%lld %lld",&m,&k);
                                ^
/in/foo.cc:15:32: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type '__int128*' [-Wformat=]
/in/foo.cc:16:39: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type '__int128' [-Wformat=]
         printf("%lld\n",sol(k-1,m,k)+1);
                                       ^
/in/foo.cc: At global scope:
/in/foo.cc:19:1: error: 'Copy' does not name a type
 Copy
 ^~~~