#include<iostream> #include<cstdio> //scanf()\printf() #include<cstring> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n=1; for(int i=1;i<=10;i++){ for(int j=1;j<=10;j++) if(n%3==0){ cout<<j<<endl; n++; } else{ n++; continue; } } return 0; }