#include #include #include // *********************** // for debug #define DEBUGz #define NOP do{}while(0) #ifdef DEBUG #define TRACE(...) do{printf(__VA_ARGS__);fflush(stdout);}while(0) #define TRACECR do{printf("\n");fflush(stdout);}while(0) #else #define TRACE(...) NOP #define TRACECR NOP #endif #define PRINCR printf("\n") #define NOCR(strig) do{char *p;p=strchr(strig,'\n');if(p)*p='\0';}while(0) // The out-of-date function #define asctime(...) asctime_s(...) #define atof(a) strtod(a,'\0') #define atoi(a) ((int)strtol(a,'\0')) #define atol(a) strtol(a,'\0') #define ctime(...) ctime_s(...) //#define fopen(...) fopen_s(...) //#define freopen(...) freopen_s(...) //#define rewind(a) fseek(a,0L,SEEK_SET) //#define setbuf(a,b) setvbuf(a,b,_IOFBF,BUFSIZ) // for stdio #define INPUT(str) do{char *p;fgets(str,sizeof(str),stdin);p=strchr(str,'\n');if(p)*p='\0';}while(0) static char *getinput( char* str ); // for readaility typedef long long lolong; const int INF = 1e9; const int MOD = 1e9+7; const lolong LINF = 1e18; static char *getinput(char* str) {char c;char *cp;cp=&str[0];c=fgetc(stdin);while( c != EOF ){if((c==' ')||( c=='\n')) break;*cp++=c; c=fgetc(stdin);}*cp='\0';return &str[0];} #define YES(a) printf("%s",((a)?"YES":"NO")) #define Yes(a) printf("%s",((a)?"Yes":"No")) #define OK(a) printf("%s",((a)?"OK":"NG")) #define Ok(a) printf("%s",((a)?"Ok":"Ng")) #define POSSIBLE(a) printf("%s",((a)?"POSSIBLE":"IMPOSSIBLE")) #define Possible(a) printf("%s",((a)?"Possible":"Impossible")) #define SWAP(type,a,b) do{type _c;_c=a;a=b;b=_c;}while(0) #define REP(a,b) for(int a=0;a<(int)(b);++a) #define REP1(a,b) for(int a=1;a<=(b);++a) #define FLOOP(a,b) for(a=0;a<(b);++a) #define FLOOP1(a,b) for(a=1;a<=(b);++a) #define LSB(i) ((i) & -(i)) #define ABS(c) ((c)<0?(-(c)):(c)) #define INPBUF 50 // *********************** // *********************** // *********************** int main(void){ char str[INPBUF]; long int lval; unsigned long int val,k; int amari = 1; int query; // init // ready INPUT(str); sscanf( str , "%d %ld", &query, &k ); // start REP(i,query) { getinput( str ); sscanf( str , "%ld", &lval ); val = (unsigned long int)ABS(lval); amari = amari * val % k; if( amari == 0 ) { YES(1); PRINCR; return 0; } } YES(0); PRINCR; return 0; }