#include<bits/stdc++.h> using namespace std; int main() { int f1=1,f2=1; cout<<f1<<" "; cout<<f2<<" "; for(int i=1;i<=19;i++) {f1=f1+f2; f2=f1+f2; cout<<f1<<" "<<f2<<" "; if(i%2==1) cout<<endl;} return 0; }