#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
int main(){
a=100000000;
b=100000000;
c=100000000;
d=100000000;
e=100000000;
f=100000000;
g=100000000;
h=100000000;
i=100000000;
j=100000000;
k=100000000;
l=100000000;
m=100000000;
n=100000000;
o=100000000;
p=100000000;
q=100000000;
r=100000000;
s=100000000;
t=100000000;
u=100000000;
v=100000000;
w=100000000;
x=100000000;
y=100000000;
z=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
a=0;
a=100000000;
cout<<"hello world";
return 0;
}