#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int z=2,a,s=1; cin>>a; while(z<=a/2) { if(a%z==0) { s=0; break; } z++; } if(s==0) cout<<"no prime"; else cout<<"prime"; return 0; }